git.delta.rocks / jrsonnet / refs/commits / 02b7991d6359

81			("objectFieldsEx".into(), builtin_object_fields_ex),81			("objectFieldsEx".into(), builtin_object_fields_ex),
82			("objectHasEx".into(), builtin_object_has_ex),82			("objectHasEx".into(), builtin_object_has_ex),
83			("slice".into(), builtin_slice),83			("slice".into(), builtin_slice),
84			("substr".into(), builtin_substr),
84			("primitiveEquals".into(), builtin_primitive_equals),85			("primitiveEquals".into(), builtin_primitive_equals),
85			("equals".into(), builtin_equals),86			("equals".into(), builtin_equals),
86			("modulo".into(), builtin_modulo),87			("modulo".into(), builtin_modulo),
241	})242	})
242}243}
244
245fn builtin_substr(context: Context, _loc: Option<&ExprLocation>, args: &ArgsDesc) -> Result<Val> {
246	parse_args!(context, "substr", args, 3, [
247		0, str: ty!(string) => Val::Str;
248		1, from: ty!(BoundedNumber<(Some(0.0)), (None)>) => Val::Num;
249		2, len: ty!(BoundedNumber<(Some(0.0)), (None)>) => Val::Num;
250	], {
251		let out: String = str.chars().skip(from as usize).take(len as usize).collect();
252		Ok(Val::Str(out.into()))
253	})
254}
243255
244fn builtin_primitive_equals(256fn builtin_primitive_equals(
245	context: Context,257	context: Context,

--- a/crates/jrsonnet-stdlib/src/std.jsonnet
+++ b/crates/jrsonnet-stdlib/src/std.jsonnet
@@ -48,12 +48,7 @@
   toString(a)::
     if std.type(a) == 'string' then a else '' + a,
 
-  substr(str, from, len)::
-    assert std.isString(str) : 'substr first parameter should be a string, got ' + std.type(str);
-    assert std.isNumber(from) : 'substr second parameter should be a string, got ' + std.type(from);
-    assert std.isNumber(len) : 'substr third parameter should be a string, got ' + std.type(len);
-    assert len >= 0 : 'substr third parameter should be greater than zero, got ' + len;
-    std.join('', std.makeArray(std.max(0, std.min(len, std.length(str) - from)), function(i) str[i + from])),
+  substr:: $intrinsic(substr),
 
   startsWith(a, b)::
     if std.length(a) < std.length(b) then