difftreelog
style use let-else
in: master
7 files changed
crates/jrsonnet-evaluator/src/evaluate/destructure.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/evaluate/destructure.rs
+++ b/crates/jrsonnet-evaluator/src/evaluate/destructure.rs
@@ -45,9 +45,8 @@
fn get(self: Box<Self>) -> Result<Self::Output> {
let v = self.parent.evaluate()?;
- let arr = match v {
- Val::Arr(a) => a,
- _ => throw!("expected array"),
+ let Val::Arr(arr) = v else {
+ throw!("expected array");
};
if !self.has_rest {
if arr.len() != self.min_len {
@@ -176,9 +175,8 @@
fn get(self: Box<Self>) -> Result<Self::Output> {
let v = self.parent.evaluate()?;
- let obj = match v {
- Val::Obj(o) => o,
- _ => throw!("expected object"),
+ let Val::Obj(obj) = v else {
+ throw!("expected object");
};
for field in &self.field_names {
if !obj.has_field_ex(field.clone(), true) {
crates/jrsonnet-evaluator/src/evaluate/mod.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/evaluate/mod.rs
+++ b/crates/jrsonnet-evaluator/src/evaluate/mod.rs
@@ -162,9 +162,7 @@
}
let name = evaluate_field_name(ctx.clone(), name)?;
- let name = if let Some(name) = name {
- name
- } else {
+ let Some(name) = name else {
continue;
};
crates/jrsonnet-evaluator/src/lib.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/lib.rs
+++ b/crates/jrsonnet-evaluator/src/lib.rs
@@ -344,10 +344,10 @@
let mut file_cache = self.file_cache();
let mut file = file_cache.raw_entry_mut().from_key(&path);
- let file = match file {
- RawEntryMut::Occupied(ref mut d) => d.get_mut(),
- RawEntryMut::Vacant(_) => unreachable!("this file was just here!"),
+ let RawEntryMut::Occupied(file) = &mut file else {
+ unreachable!("this file was just here!")
};
+ let file = file.get_mut();
file.evaluating = false;
match res {
Ok(v) => {
crates/jrsonnet-evaluator/src/val.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/val.rs
+++ b/crates/jrsonnet-evaluator/src/val.rs
@@ -54,12 +54,8 @@
ThunkInner::Pending => return Err(InfiniteRecursionDetected.into()),
ThunkInner::Waiting(..) => (),
};
- let value = if let ThunkInner::Waiting(value) =
- std::mem::replace(&mut *self.0.borrow_mut(), ThunkInner::Pending)
- {
- value
- } else {
- unreachable!()
+ let ThunkInner::Waiting(value) = std::mem::replace(&mut *self.0.borrow_mut(), ThunkInner::Pending) else {
+ unreachable!();
};
let new_value = match value.0.get() {
Ok(v) => v,
@@ -668,9 +664,8 @@
/// Expects value to be object, outputs (key, manifested value) pairs
pub fn manifest_multi(&self, ty: &ManifestFormat) -> Result<Vec<(IStr, IStr)>> {
- let obj = match self {
- Self::Obj(obj) => obj,
- _ => throw!(MultiManifestOutputIsNotAObject),
+ let Self::Obj(obj) = self else {
+ throw!(MultiManifestOutputIsNotAObject);
};
let keys = obj.fields(
#[cfg(feature = "exp-preserve-order")]
@@ -689,9 +684,8 @@
/// Expects value to be array, outputs manifested values
pub fn manifest_stream(&self, ty: &ManifestFormat) -> Result<Vec<IStr>> {
- let arr = match self {
- Self::Arr(a) => a,
- _ => throw!(StreamManifestOutputIsNotAArray),
+ let Self::Arr(arr) = self else {
+ throw!(StreamManifestOutputIsNotAArray);
};
let mut out = Vec::with_capacity(arr.len());
for i in arr.iter() {
@@ -703,9 +697,8 @@
pub fn manifest(&self, ty: &ManifestFormat) -> Result<IStr> {
Ok(match ty {
ManifestFormat::YamlStream(format) => {
- let arr = match self {
- Self::Arr(a) => a,
- _ => throw!(StreamManifestOutputIsNotAArray),
+ let Self::Arr(arr) = self else {
+ throw!(StreamManifestOutputIsNotAArray)
};
let mut out = String::new();
crates/jrsonnet-macros/src/lib.rsdiffbeforeafterboth--- a/crates/jrsonnet-macros/src/lib.rs
+++ b/crates/jrsonnet-macros/src/lib.rs
@@ -50,25 +50,22 @@
}
fn extract_type_from_option(ty: &Type) -> Result<Option<&Type>> {
- Ok(if let Some(args) = type_is_path(ty, "Option") {
- // It should have only on angle-bracketed param ("<String>"):
- let generic_arg = match args {
- PathArguments::AngleBracketed(params) => params.args.iter().next().unwrap(),
- _ => return Err(Error::new(args.span(), "missing option generic")),
- };
- // This argument must be a type:
- match generic_arg {
- GenericArgument::Type(ty) => Some(ty),
- _ => {
- return Err(Error::new(
- generic_arg.span(),
- "option generic should be a type",
- ))
- }
- }
- } else {
- None
- })
+ let Some(args) = type_is_path(ty, "Option") else {
+ return Ok(None)
+ };
+ // It should have only on angle-bracketed param ("<String>"):
+ let PathArguments::AngleBracketed(params) = args else {
+ return Err(Error::new(args.span(), "missing option generic"));
+ };
+ let generic_arg = params.args.iter().next().unwrap();
+ // This argument must be a type:
+ let GenericArgument::Type(ty) = generic_arg else {
+ return Err(Error::new(
+ generic_arg.span(),
+ "option generic should be a type",
+ ))
+ };
+ Ok(Some(ty))
}
struct Field {
@@ -137,9 +134,8 @@
impl ArgInfo {
fn parse(name: &str, arg: &FnArg) -> Result<Self> {
- let arg = match arg {
- FnArg::Receiver(_) => unreachable!(),
- FnArg::Typed(a) => a,
+ let FnArg::Typed(arg) = arg else {
+ unreachable!()
};
let ident = match &arg.pat as &Pat {
Pat::Ident(i) => Some(i.ident.clone()),
@@ -206,33 +202,28 @@
}
fn builtin_inner(attr: BuiltinAttrs, fun: ItemFn) -> syn::Result<TokenStream> {
- let result = match fun.sig.output {
- ReturnType::Default => {
- return Err(Error::new(
- fun.sig.span(),
- "builtin should return something",
- ))
- }
- ReturnType::Type(_, ref ty) => ty.clone(),
+ let ReturnType::Type(_, result) = &fun.sig.output else {
+ return Err(Error::new(
+ fun.sig.span(),
+ "builtin should return something",
+ ))
};
- let result_inner = if let Some(args) = type_is_path(&result, "Result") {
- let generic_arg = match args {
- PathArguments::AngleBracketed(params) => params.args.iter().next().unwrap(),
- _ => return Err(Error::new(args.span(), "missing result generic")),
- };
- // This argument must be a type:
- match generic_arg {
- GenericArgument::Type(ty) => ty,
- _ => {
- return Err(Error::new(
- generic_arg.span(),
- "option generic should be a type",
- ))
- }
- }
- } else {
+
+ let Some(args) = type_is_path(result, "Result") else {
return Err(Error::new(result.span(), "return value should be result"));
+
+ };
+ let PathArguments::AngleBracketed(params) = args else {
+ return Err(Error::new(args.span(), "missing result generic"));
};
+ let generic_arg = params.args.iter().next().unwrap();
+ // This argument must be a type:
+ let GenericArgument::Type(result_inner) = generic_arg else {
+ return Err(Error::new(
+ generic_arg.span(),
+ "option generic should be a type",
+ ))
+ };
let name = fun.sig.ident.to_string();
let args = fun
@@ -471,9 +462,7 @@
impl TypedField {
fn parse(field: &syn::Field) -> Result<Self> {
let attr = parse_attr::<TypedAttr, _>(&field.attrs, "typed")?.unwrap_or_default();
- let ident = if let Some(ident) = field.ident.clone() {
- ident
- } else {
+ let Some(ident) = field.ident.clone() else {
return Err(Error::new(
field.span(),
"this field should appear in output object, but it has no visible name",
@@ -603,9 +592,8 @@
}
fn derive_typed_inner(input: DeriveInput) -> Result<TokenStream> {
- let data = match &input.data {
- syn::Data::Struct(s) => s,
- _ => return Err(Error::new(input.span(), "only structs supported")),
+ let syn::Data::Struct(data) = &input.data else {
+ return Err(Error::new(input.span(), "only structs supported"));
};
let ident = &input.ident;
crates/jrsonnet-parser/src/source.rsdiffbeforeafterboth--- a/crates/jrsonnet-parser/src/source.rs
+++ b/crates/jrsonnet-parser/src/source.rs
@@ -32,10 +32,8 @@
self.hash(&mut hasher)
}
fn dyn_eq(&self, other: &dyn $T) -> bool {
- let other = if let Some(v) = other.as_any().downcast_ref::<Self>() {
- v
- } else {
- return false;
+ let Some(other) = other.as_any().downcast_ref::<Self>() else {
+ return false
};
let this = <Self as $T>::as_any(self)
.downcast_ref::<Self>()
tests/tests/sanity.rsdiffbeforeafterboth1use jrsonnet_evaluator::{error::Result, throw, State, Val};2use jrsonnet_stdlib::StateExt;34mod common;56#[test]7fn assert_positive() -> Result<()> {8 let s = State::default();9 s.with_stdlib();1011 let v = s.evaluate_snippet("snip".to_owned(), "assert 1 == 1: 'fail'; null")?;12 ensure_val_eq!(v, Val::Null);13 let v = s.evaluate_snippet("snip".to_owned(), "std.assertEqual(1, 1)")?;14 ensure_val_eq!(v, Val::Bool(true));1516 Ok(())17}1819#[test]20fn assert_negative() -> Result<()> {21 let s = State::default();22 s.with_stdlib();2324 {25 let e = match s.evaluate_snippet("snip".to_owned(), "assert 1 == 2: 'fail'; null") {26 Ok(_) => throw!("assertion should fail"),27 Err(e) => e,28 };29 let e = s.stringify_err(&e);30 ensure!(e.starts_with("assert failed: fail\n"));31 }32 {33 let e = match s.evaluate_snippet("snip".to_owned(), "std.assertEqual(1, 2)") {34 Ok(_) => throw!("assertion should fail"),35 Err(e) => e,36 };37 let e = s.stringify_err(&e);38 ensure!(e.starts_with("runtime error: Assertion failed. 1 != 2"))39 }4041 Ok(())42}1use jrsonnet_evaluator::{error::Result, throw, State, Val};2use jrsonnet_stdlib::StateExt;34mod common;56#[test]7fn assert_positive() -> Result<()> {8 let s = State::default();9 s.with_stdlib();1011 let v = s.evaluate_snippet("snip".to_owned(), "assert 1 == 1: 'fail'; null")?;12 ensure_val_eq!(v, Val::Null);13 let v = s.evaluate_snippet("snip".to_owned(), "std.assertEqual(1, 1)")?;14 ensure_val_eq!(v, Val::Bool(true));1516 Ok(())17}1819#[test]20fn assert_negative() -> Result<()> {21 let s = State::default();22 s.with_stdlib();2324 {25 let Err(e) = s.evaluate_snippet("snip".to_owned(), "assert 1 == 2: 'fail'; null") else {26 throw!("assertion should fail");27 };28 let e = s.stringify_err(&e);29 ensure!(e.starts_with("assert failed: fail\n"));30 }31 {32 let Err(e) = s.evaluate_snippet("snip".to_owned(), "std.assertEqual(1, 2)") else {33 throw!("assertion should fail")34 };35 let e = s.stringify_err(&e);36 ensure!(e.starts_with("runtime error: Assertion failed. 1 != 2"))37 }3839 Ok(())40}