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toml: add compile error when passing encode/1 types of T != struct (fix #24435) (#24443)

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larpon 2025-05-10 10:40:12 +02:00 committed by GitHub
parent 469e268c79
commit 031fce4361
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1 changed files with 10 additions and 5 deletions
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15
vlib/toml/toml.v
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@ -167,13 +167,18 @@ fn decode_struct[T](doc Any, mut typ T) {
// encode encodes the type `T` into a TOML string. // encode encodes the type `T` into a TOML string.
// If `T` has a custom `.to_toml()` method, it will be used instead of the default. // If `T` has a custom `.to_toml()` method, it will be used instead of the default.
pub fn encode[T](typ T) string { pub fn encode[T](typ T) string {
$for method in T.methods { $if T is $struct {
$if method.name == 'to_toml' { $for method in T.methods {
return typ.$method() $if method.name == 'to_toml' {
return typ.$method()
}
} }
mp := encode_struct[T](typ)
return mp.to_toml()
} $else {
$compile_error('Currently only type `struct` is supported for `T` to encode as TOML')
} }
mp := encode_struct[T](typ) return ''
return mp.to_toml()
} }
fn encode_struct[T](typ T) map[string]Any { fn encode_struct[T](typ T) map[string]Any {