pub trait FreeFunctions: Types {
// Required methods
fn injected_env_var(&mut self, var: &str) -> Option<String>;
fn track_env_var(&mut self, var: &str, value: Option<&str>);
fn track_path(&mut self, path: &str);
fn literal_from_str(
&mut self,
s: &str,
) -> Result<Literal<Self::Span, Self::Symbol>, ()>;
fn emit_diagnostic(&mut self, diagnostic: Diagnostic<Self::Span>);
// Provided method
fn drop(&mut self, self_: Self::FreeFunctions) { ... }
}🔬This is a nightly-only experimental API. (
proc_macro_internals #27812)Required Methods§
fn injected_env_var(&mut self, var: &str) -> Option<String>
🔬This is a nightly-only experimental API. (
proc_macro_internals #27812)fn track_env_var(&mut self, var: &str, value: Option<&str>)
🔬This is a nightly-only experimental API. (
proc_macro_internals #27812)fn track_path(&mut self, path: &str)
🔬This is a nightly-only experimental API. (
proc_macro_internals #27812)fn literal_from_str( &mut self, s: &str, ) -> Result<Literal<Self::Span, Self::Symbol>, ()>
🔬This is a nightly-only experimental API. (
proc_macro_internals #27812)fn emit_diagnostic(&mut self, diagnostic: Diagnostic<Self::Span>)
🔬This is a nightly-only experimental API. (
proc_macro_internals #27812)Provided Methods§
fn drop(&mut self, self_: Self::FreeFunctions)
🔬This is a nightly-only experimental API. (
proc_macro_internals #27812)