difftreelog
feat add description stacktrace frames for all formats
in: master
5 files changed
crates/jrsonnet-evaluator/src/manifest.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/manifest.rs
+++ b/crates/jrsonnet-evaluator/src/manifest.rs
@@ -183,6 +183,8 @@
cur_padding: &mut String,
options: &JsonFormat<'_>,
) -> Result<()> {
+ use JsonFormatting::*;
+
let mtype = options.mtype;
match val {
Val::Bool(v) => {
@@ -218,89 +220,118 @@
}
Val::Arr(items) => {
buf.push('[');
- if !items.is_empty() {
- if mtype != JsonFormatting::ToString && mtype != JsonFormatting::Minify {
- buf.push_str(options.newline);
+
+ let old_len = cur_padding.len();
+ cur_padding.push_str(&options.padding);
+
+ let mut had_items = false;
+ for (i, item) in items.iter().enumerate() {
+ had_items = true;
+ let item = item.with_description(|| format!("elem <{i}> evaluation"))?;
+
+ if i != 0 {
+ buf.push(',');
}
+ match mtype {
+ Manifest | Std => {
+ buf.push_str(options.newline);
+ buf.push_str(cur_padding);
+ }
+ ToString => buf.push(' '),
+ Minify => {}
+ };
- let old_len = cur_padding.len();
- cur_padding.push_str(&options.padding);
- for (i, item) in items.iter().enumerate() {
- if i != 0 {
- buf.push(',');
- if mtype == JsonFormatting::ToString {
- buf.push(' ');
- } else if mtype != JsonFormatting::Minify {
- buf.push_str(options.newline);
- }
- }
+ buf.push_str(cur_padding);
+ State::push_description(
+ || format!("elem <{i}> manifestification"),
+ || manifest_json_ex_buf(&item, buf, cur_padding, options),
+ )?;
+ }
+
+ cur_padding.truncate(old_len);
+
+ match mtype {
+ Manifest | ToString if !had_items => {
+ // Empty array as "[ ]"
+ buf.push(' ');
+ }
+ Manifest => {
+ buf.push_str(options.newline);
buf.push_str(cur_padding);
- manifest_json_ex_buf(&item?, buf, cur_padding, options)
- .with_description(|| format!("elem <{i}> manifestification"))?;
}
- cur_padding.truncate(old_len);
-
- if mtype != JsonFormatting::ToString && mtype != JsonFormatting::Minify {
+ Std => {
+ if !had_items {
+ // Stdlib formats empty array as "[\n\n]"
+ buf.push_str(options.newline);
+ }
buf.push_str(options.newline);
buf.push_str(cur_padding);
}
- } else if mtype == JsonFormatting::Std {
- buf.push_str(options.newline);
- buf.push_str(options.newline);
- buf.push_str(cur_padding);
- } else if mtype == JsonFormatting::ToString || mtype == JsonFormatting::Manifest {
- buf.push(' ');
+ Minify | ToString => {}
}
+
buf.push(']');
}
Val::Obj(obj) => {
obj.run_assertions()?;
buf.push('{');
- let fields = obj.fields(
- #[cfg(feature = "exp-preserve-order")]
- options.preserve_order,
- );
- if !fields.is_empty() {
- if mtype != JsonFormatting::ToString && mtype != JsonFormatting::Minify {
- buf.push_str(options.newline);
- }
- let old_len = cur_padding.len();
- cur_padding.push_str(&options.padding);
- for (i, field) in fields.into_iter().enumerate() {
- if i != 0 {
- buf.push(',');
- if mtype == JsonFormatting::ToString {
- buf.push(' ');
- } else if mtype != JsonFormatting::Minify {
- buf.push_str(options.newline);
- }
+ let old_len = cur_padding.len();
+ cur_padding.push_str(&options.padding);
+
+ let mut had_fields = false;
+ for (i, (key, value)) in obj
+ .iter(
+ #[cfg(feature = "exp-preserve-order")]
+ options.preserve_order,
+ )
+ .enumerate()
+ {
+ had_fields = true;
+ let value = value.with_description(|| format!("field <{key}> evaluation"))?;
+
+ if i != 0 {
+ buf.push(',');
+ }
+ match mtype {
+ Manifest | Std => {
+ buf.push_str(options.newline);
+ buf.push_str(cur_padding);
}
- buf.push_str(cur_padding);
- escape_string_json_buf(&field, buf);
- buf.push_str(options.key_val_sep);
- State::push_description(
- || format!("field <{}> manifestification", field.clone()),
- || {
- let value = obj.get(field.clone())?.unwrap();
- manifest_json_ex_buf(&value, buf, cur_padding, options)?;
- Ok(())
- },
- )?;
+ ToString => buf.push(' '),
+ Minify => {}
}
- cur_padding.truncate(old_len);
- if mtype != JsonFormatting::ToString && mtype != JsonFormatting::Minify {
+ escape_string_json_buf(&key, buf);
+ buf.push_str(options.key_val_sep);
+ State::push_description(
+ || format!("field <{key}> manifestification"),
+ || manifest_json_ex_buf(&value, buf, cur_padding, options),
+ )?;
+ }
+
+ cur_padding.truncate(old_len);
+
+ match mtype {
+ Manifest | ToString if !had_fields => {
+ // Empty object as "{ }"
+ buf.push(' ');
+ }
+ Manifest => {
buf.push_str(options.newline);
buf.push_str(cur_padding);
}
- } else if mtype == JsonFormatting::Std {
- buf.push_str(options.newline);
- buf.push_str(options.newline);
- buf.push_str(cur_padding);
- } else if mtype == JsonFormatting::ToString || mtype == JsonFormatting::Manifest {
- buf.push(' ');
+ Std => {
+ if !had_fields {
+ // Stdlib formats empty object as "{\n\n}"
+ buf.push_str(options.newline);
+ }
+ buf.push_str(options.newline);
+ buf.push_str(cur_padding);
+ }
+ Minify | ToString => {}
}
+
buf.push('}');
}
Val::Func(_) => bail!("tried to manifest function"),
@@ -350,7 +381,7 @@
Self {
inner,
c_document_end,
- // Stdlib format always inserts newline at the end
+ // Stdlib format always inserts useless newline at the end
end_newline: true,
}
}
@@ -371,10 +402,13 @@
)
};
if !arr.is_empty() {
- for v in arr.iter() {
- let v = v?;
+ for (i, v) in arr.iter().enumerate() {
+ let v = v.with_description(|| format!("elem <{i}> evaluation"))?;
out.push_str("---\n");
- self.inner.manifest_buf(v, out)?;
+ State::push_description(
+ || format!("elem <{i}> manifestification"),
+ || self.inner.manifest_buf(v, out),
+ )?;
out.push('\n');
}
}
crates/jrsonnet-evaluator/src/typed/conversions.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/typed/conversions.rs
+++ b/crates/jrsonnet-evaluator/src/typed/conversions.rs
@@ -11,7 +11,7 @@
function::{native::NativeDesc, FuncDesc, FuncVal},
typed::CheckType,
val::{IndexableVal, StrValue, ThunkMapper},
- ObjValue, ObjValueBuilder, Result, Thunk, Val,
+ ObjValue, ObjValueBuilder, Result, ResultExt, Thunk, Val,
};
#[derive(Trace)]
@@ -359,7 +359,12 @@
unreachable!("typecheck should fail")
};
a.iter()
- .map(|r| r.and_then(T::from_untyped))
+ .enumerate()
+ .map(|(i, r)| {
+ r.and_then(|t| {
+ T::from_untyped(t).with_description(|| format!("parsing elem <{i}>"))
+ })
+ })
.collect::<Result<Self>>()
}
}
crates/jrsonnet-stdlib/src/manifest/toml.rsdiffbeforeafterboth--- a/crates/jrsonnet-stdlib/src/manifest/toml.rs
+++ b/crates/jrsonnet-stdlib/src/manifest/toml.rs
@@ -4,7 +4,7 @@
bail,
manifest::{escape_string_json_buf, ManifestFormat},
val::ArrValue,
- IStr, ObjValue, Result, Val,
+ IStr, ObjValue, Result, ResultExt, Val, State,
};
pub struct TomlFormat<'s> {
@@ -106,16 +106,15 @@
#[cfg(feature = "exp-bigint")]
Val::BigInt(n) => write!(buf, "{n}").unwrap(),
Val::Arr(a) => {
- if a.is_empty() {
- buf.push_str("[]");
- return Ok(());
- }
+ buf.push('[');
+
+ let mut had_items = false;
for (i, e) in a.iter().enumerate() {
- let e = e?;
+ had_items = true;
+ let e = e.with_description(|| format!("elem <{i}> evaluation"))?;
+
if i != 0 {
buf.push(',');
- } else {
- buf.push('[');
}
if inline {
buf.push(' ');
@@ -124,9 +123,15 @@
buf.push_str(cur_padding);
buf.push_str(&options.padding);
}
- manifest_value(&e, true, buf, "", options)?;
+
+ State::push_description(
+ || format!("elem <{i}> manifestification"),
+ || manifest_value(&e, true, buf, "", options),
+ )?;
}
- if inline {
+
+ if !had_items {
+ } else if inline {
buf.push(' ');
} else {
buf.push('\n');
@@ -135,10 +140,10 @@
buf.push(']');
}
Val::Obj(o) => {
- if o.is_empty() {
- buf.push_str("{}");
- }
- buf.push_str("{ ");
+ o.run_assertions()?;
+ buf.push('{');
+
+ let mut had_fields = false;
for (i, (k, v)) in o
.iter(
#[cfg(feature = "exp-preserve-order")]
@@ -146,15 +151,27 @@
)
.enumerate()
{
- let v = v?;
+ had_fields = true;
+ let v = v.with_description(|| format!("field <{k}> evaluation"))?;
+
if i != 0 {
- buf.push_str(", ");
+ buf.push(',');
}
+ buf.push(' ');
+
escape_key_toml_buf(&k, buf);
buf.push_str(" = ");
- manifest_value(&v, true, buf, "", options)?;
+ State::push_description(
+ || format!("field <{k}> manifestification"),
+ || manifest_value(&v, true, buf, "", options),
+ )?;
}
- buf.push_str(" }");
+
+ if had_fields {
+ buf.push(' ');
+ }
+
+ buf.push('}');
}
Val::Null => {
bail!("tried to manifest null")
crates/jrsonnet-stdlib/src/manifest/xml.rsdiffbeforeafterboth1use jrsonnet_evaluator::{2 bail,3 manifest::{ManifestFormat, ToStringFormat},4 typed::{ComplexValType, Either4, Typed, ValType},5 val::{ArrValue, IndexableVal},6 Either, ObjValue, Result, ResultExt, Val,7};89pub struct XmlJsonmlFormat {10 force_closing: bool,11}12impl XmlJsonmlFormat {13 pub fn std_to_xml() -> Self {14 Self {15 force_closing: true,16 }17 }18 pub fn cli() -> Self {19 Self {20 force_closing: false,21 }22 }23}2425enum JSONMLValue {26 Tag {27 tag: String,28 attrs: ObjValue,29 children: Vec<JSONMLValue>,30 },31 String(String),32}33impl Typed for JSONMLValue {34 const TYPE: &'static ComplexValType = &ComplexValType::Simple(ValType::Arr);3536 fn into_untyped(_typed: Self) -> Result<Val> {37 unreachable!("not used, reserved for parseXML?")38 }3940 fn from_untyped(untyped: Val) -> Result<Self> {41 let Val::Arr(arr) = untyped else {42 if let Val::Str(s) = untyped {43 return Ok(Self::String(s.to_string()));44 };45 bail!("expected JSONML value (an array or string)");46 };47 if arr.len() < 1 {48 bail!("JSONML value should have tag");49 };50 let tag = String::from_untyped(51 arr.get(0)52 .with_description(|| "getting JSONML tag")?53 .expect("length checked"),54 )?;55 let (has_attrs, attrs) = if arr.len() >= 2 {56 let maybe_attrs = arr57 .get(1)58 .with_description(|| "getting JSONML attrs")?59 .expect("length checked");60 if let Val::Obj(attrs) = maybe_attrs {61 (true, attrs)62 } else {63 (false, ObjValue::new_empty())64 }65 } else {66 (false, ObjValue::new_empty())67 };68 Ok(Self::Tag {69 tag,70 attrs,71 children: Typed::from_untyped(Val::Arr(arr.slice(72 Some(if has_attrs { 2 } else { 1 }),73 None,74 None,75 )))?,76 })77 }78}7980impl ManifestFormat for XmlJsonmlFormat {81 fn manifest_buf(&self, val: Val, buf: &mut String) -> Result<()> {82 let val = JSONMLValue::from_untyped(val).with_description(|| "parsing JSONML value")?;83 manifest_jsonml(&val, buf, self)84 }85}8687fn manifest_jsonml(v: &JSONMLValue, buf: &mut String, opts: &XmlJsonmlFormat) -> Result<()> {88 match v {89 JSONMLValue::Tag {90 tag,91 attrs,92 children,93 } => {94 let has_children = !children.is_empty();95 buf.push('<');96 buf.push_str(&tag);97 attrs.run_assertions()?;98 for (key, value) in attrs.iter(99 // Not much sense to preserve order here100 #[cfg(feature = "exp-preserve-order")]101 false,102 ) {103 buf.push(' ');104 buf.push_str(&key);105 buf.push('=');106 buf.push('"');107 let value = value?;108 let value = if let Val::Str(s) = value {109 s.to_string()110 } else {111 ToStringFormat.manifest(value)?112 };113 escape_string_xml_buf(&value, buf);114 buf.push('"');115 }116 if !has_children && !opts.force_closing {117 buf.push('/');118 }119 buf.push('>');120 for child in children {121 manifest_jsonml(&child, buf, opts)?;122 }123 if has_children || opts.force_closing {124 buf.push('<');125 buf.push('/');126 buf.push_str(&tag);127 buf.push('>');128 }129 Ok(())130 }131 JSONMLValue::String(s) => {132 escape_string_xml_buf(s, buf);133 Ok(())134 }135 }136}137138pub fn escape_string_xml(str: &str) -> String {139 let mut out = String::new();140 escape_string_xml_buf(str, &mut out);141 out142}143144fn escape_string_xml_buf(str: &str, out: &mut String) {145 if str.is_empty() {146 return;147 }148 let mut remaining = str;149150 let mut found = false;151 while let Some(position) = remaining152 .bytes()153 .position(|c| matches!(c, b'<' | b'>' | b'&' | b'"' | b'\''))154 {155 found = true;156157 let (plain, rem) = remaining.split_at(position);158 out.push_str(plain);159160 out.push_str(match rem.as_bytes()[0] {161 b'<' => "<",162 b'>' => ">",163 b'&' => "&",164 b'"' => """,165 b'\'' => "'",166 _ => unreachable!("position() searches for those matches"),167 });168169 remaining = &rem[1..];170 }171 if !found {172 // No match - no escapes required173 out.push_str(&str);174 return;175 }176 out.push_str(&remaining);177}1use jrsonnet_evaluator::{2 bail,3 manifest::{ManifestFormat, ToStringFormat},4 typed::{ComplexValType, Either2, Either4, Typed, ValType},5 val::{ArrValue, IndexableVal},6 Either, ObjValue, Result, ResultExt, Val, State,7};89pub struct XmlJsonmlFormat {10 force_closing: bool,11}12impl XmlJsonmlFormat {13 pub fn std_to_xml() -> Self {14 Self {15 force_closing: true,16 }17 }18 pub fn cli() -> Self {19 Self {20 force_closing: false,21 }22 }23}2425enum JSONMLValue {26 Tag {27 tag: String,28 attrs: ObjValue,29 children: Vec<JSONMLValue>,30 },31 String(String),32}33impl Typed for JSONMLValue {34 const TYPE: &'static ComplexValType = &ComplexValType::Simple(ValType::Arr);3536 fn into_untyped(_typed: Self) -> Result<Val> {37 unreachable!("not used, reserved for parseXML?")38 }3940 fn from_untyped(untyped: Val) -> Result<Self> {41 let val = <Either![ArrValue, String]>::from_untyped(untyped)42 .with_description(|| format!("parsing JSONML value (an array or string)"))?;43 let arr = match val {44 Either2::A(a) => a,45 Either2::B(s) => return Ok(Self::String(s)),46 };47 if arr.len() < 1 {48 bail!("JSONML value should have tag (array length should be >=1)");49 };50 let tag = String::from_untyped(51 arr.get(0)52 .with_description(|| "getting JSONML tag")?53 .expect("length checked"),54 )55 .with_description(|| format!("parsing JSONML tag"))?;5657 let (has_attrs, attrs) = if arr.len() >= 2 {58 let maybe_attrs = arr59 .get(1)60 .with_description(|| "getting JSONML attrs")?61 .expect("length checked");62 if let Val::Obj(attrs) = maybe_attrs {63 (true, attrs)64 } else {65 (false, ObjValue::new_empty())66 }67 } else {68 (false, ObjValue::new_empty())69 };70 Ok(Self::Tag {71 tag,72 attrs,73 children: State::push_description(74 || format!("parsing children"),75 || {76 Typed::from_untyped(Val::Arr(arr.slice(77 Some(if has_attrs { 2 } else { 1 }),78 None,79 None,80 )))81 },82 )?,83 })84 }85}8687impl ManifestFormat for XmlJsonmlFormat {88 fn manifest_buf(&self, val: Val, buf: &mut String) -> Result<()> {89 let val = JSONMLValue::from_untyped(val).with_description(|| "parsing JSONML value")?;90 manifest_jsonml(&val, buf, self)91 }92}9394fn manifest_jsonml(v: &JSONMLValue, buf: &mut String, opts: &XmlJsonmlFormat) -> Result<()> {95 match v {96 JSONMLValue::Tag {97 tag,98 attrs,99 children,100 } => {101 let has_children = !children.is_empty();102 buf.push('<');103 buf.push_str(&tag);104 attrs.run_assertions()?;105 for (key, value) in attrs.iter(106 // Not much sense to preserve order here107 #[cfg(feature = "exp-preserve-order")]108 false,109 ) {110 buf.push(' ');111 buf.push_str(&key);112 buf.push('=');113 buf.push('"');114 let value = value?;115 let value = if let Val::Str(s) = value {116 s.to_string()117 } else {118 ToStringFormat.manifest(value)?119 };120 escape_string_xml_buf(&value, buf);121 buf.push('"');122 }123 if !has_children && !opts.force_closing {124 buf.push('/');125 }126 buf.push('>');127 for child in children {128 manifest_jsonml(&child, buf, opts)?;129 }130 if has_children || opts.force_closing {131 buf.push('<');132 buf.push('/');133 buf.push_str(&tag);134 buf.push('>');135 }136 Ok(())137 }138 JSONMLValue::String(s) => {139 escape_string_xml_buf(s, buf);140 Ok(())141 }142 }143}144145pub fn escape_string_xml(str: &str) -> String {146 let mut out = String::new();147 escape_string_xml_buf(str, &mut out);148 out149}150151fn escape_string_xml_buf(str: &str, out: &mut String) {152 if str.is_empty() {153 return;154 }155 let mut remaining = str;156157 let mut found = false;158 while let Some(position) = remaining159 .bytes()160 .position(|c| matches!(c, b'<' | b'>' | b'&' | b'"' | b'\''))161 {162 found = true;163164 let (plain, rem) = remaining.split_at(position);165 out.push_str(plain);166167 out.push_str(match rem.as_bytes()[0] {168 b'<' => "<",169 b'>' => ">",170 b'&' => "&",171 b'"' => """,172 b'\'' => "'",173 _ => unreachable!("position() searches for those matches"),174 });175176 remaining = &rem[1..];177 }178 if !found {179 // No match - no escapes required180 out.push_str(&str);181 return;182 }183 out.push_str(&remaining);184}crates/jrsonnet-stdlib/src/manifest/yaml.rsdiffbeforeafterboth--- a/crates/jrsonnet-stdlib/src/manifest/yaml.rs
+++ b/crates/jrsonnet-stdlib/src/manifest/yaml.rs
@@ -3,7 +3,7 @@
use jrsonnet_evaluator::{
bail,
manifest::{escape_string_json_buf, ManifestFormat},
- Result, Val,
+ Result, ResultExt, State, Val,
};
pub struct YamlFormat<'s> {
@@ -152,80 +152,87 @@
#[cfg(feature = "exp-bigint")]
Val::BigInt(n) => write!(buf, "{}", *n).unwrap(),
Val::Arr(a) => {
- if a.is_empty() {
- buf.push_str("[]");
- } else {
- for (i, item) in a.iter().enumerate() {
- if i != 0 {
+ let mut had_items = false;
+ for (i, item) in a.iter().enumerate() {
+ had_items = true;
+ let item = item.with_description(|| format!("elem <{i}> evaluation"))?;
+ if i != 0 {
+ buf.push('\n');
+ buf.push_str(cur_padding);
+ }
+ buf.push('-');
+ match &item {
+ Val::Arr(a) if !a.is_empty() => {
buf.push('\n');
buf.push_str(cur_padding);
- }
- let item = item?;
- buf.push('-');
- match &item {
- Val::Arr(a) if !a.is_empty() => {
- buf.push('\n');
- buf.push_str(cur_padding);
- buf.push_str(&options.padding);
- }
- _ => buf.push(' '),
- }
- let extra_padding = match &item {
- Val::Arr(a) => !a.is_empty(),
- Val::Obj(o) => !o.is_empty(),
- _ => false,
- };
- let prev_len = cur_padding.len();
- if extra_padding {
- cur_padding.push_str(&options.padding);
+ buf.push_str(&options.padding);
}
- manifest_yaml_ex_buf(&item, buf, cur_padding, options)?;
- cur_padding.truncate(prev_len);
+ _ => buf.push(' '),
}
+ let extra_padding = match &item {
+ Val::Arr(a) => !a.is_empty(),
+ Val::Obj(o) => !o.is_empty(),
+ _ => false,
+ };
+ let prev_len = cur_padding.len();
+ if extra_padding {
+ cur_padding.push_str(&options.padding);
+ }
+ State::push_description(
+ || format!("elem <{i}> manifestification"),
+ || manifest_yaml_ex_buf(&item, buf, cur_padding, options),
+ )?;
+ cur_padding.truncate(prev_len);
}
+ if !had_items {
+ buf.push_str("[]");
+ }
}
Val::Obj(o) => {
- if o.is_empty() {
- buf.push_str("{}");
- } else {
- for (i, key) in o
- .fields(
- #[cfg(feature = "exp-preserve-order")]
- options.preserve_order,
- )
- .iter()
- .enumerate()
- {
- if i != 0 {
+ let mut had_fields = false;
+ for (i, (key, value)) in o
+ .iter(
+ #[cfg(feature = "exp-preserve-order")]
+ options.preserve_order,
+ )
+ .enumerate()
+ {
+ had_fields = true;
+ let value = value.with_description(|| format!("field <{key}> evaluation"))?;
+ if i != 0 {
+ buf.push('\n');
+ buf.push_str(cur_padding);
+ }
+ if !options.quote_keys && !yaml_needs_quotes(&key) {
+ buf.push_str(&key);
+ } else {
+ escape_string_json_buf(&key, buf);
+ }
+ buf.push(':');
+ let prev_len = cur_padding.len();
+ match &value {
+ Val::Arr(a) if !a.is_empty() => {
buf.push('\n');
buf.push_str(cur_padding);
+ buf.push_str(&options.arr_element_padding);
+ cur_padding.push_str(&options.arr_element_padding);
}
- if !options.quote_keys && !yaml_needs_quotes(key) {
- buf.push_str(key);
- } else {
- escape_string_json_buf(key, buf);
+ Val::Obj(o) if !o.is_empty() => {
+ buf.push('\n');
+ buf.push_str(cur_padding);
+ buf.push_str(&options.padding);
+ cur_padding.push_str(&options.padding);
}
- buf.push(':');
- let prev_len = cur_padding.len();
- let item = o.get(key.clone())?.expect("field exists");
- match &item {
- Val::Arr(a) if !a.is_empty() => {
- buf.push('\n');
- buf.push_str(cur_padding);
- buf.push_str(&options.arr_element_padding);
- cur_padding.push_str(&options.arr_element_padding);
- }
- Val::Obj(o) if !o.is_empty() => {
- buf.push('\n');
- buf.push_str(cur_padding);
- buf.push_str(&options.padding);
- cur_padding.push_str(&options.padding);
- }
- _ => buf.push(' '),
- }
- manifest_yaml_ex_buf(&item, buf, cur_padding, options)?;
- cur_padding.truncate(prev_len);
+ _ => buf.push(' '),
}
+ State::push_description(
+ || format!("field <{key}> manifestification"),
+ || manifest_yaml_ex_buf(&value, buf, cur_padding, options),
+ )?;
+ cur_padding.truncate(prev_len);
+ }
+ if !had_fields {
+ buf.push_str("{}");
}
}
Val::Func(_) => bail!("tried to manifest function"),