Noratrieb/mono-fmt
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wow cool $crate hack thank you nemo

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nora 2022-09-13 13:11:26 +02:00
parent 20befd0a8f
commit 5b22878e81
3 changed files with 49 additions and 29 deletions
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8
src/args.rs
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@ -50,17 +50,17 @@ impl Arguments for Str {
}
}
pub struct DebugArg<T>(pub T);
pub struct DebugArg<T, O>(pub T, pub PhantomData<O>);
impl<T: Debug> Arguments for DebugArg<T> {
impl<T: Debug, OutOpt> Arguments for DebugArg<T, OutOpt> {
fn fmt<W: Write, O: FmtOpts>(&self, f: &mut Formatter<W, O>) -> Result {
Debug::fmt(&self.0, f)
}
}
pub struct DisplayArg<T>(pub T);
pub struct DisplayArg<T, O>(pub T, pub PhantomData<O>);
impl<T: Display> Arguments for DisplayArg<T> {
impl<T: Display, OutOpt> Arguments for DisplayArg<T, OutOpt> {
fn fmt<W: Write, O: FmtOpts>(&self, f: &mut Formatter<W, O>) -> Result {
Display::fmt(&self.0, f)
}

16
src/lib.rs
View file

@ -1,13 +1,18 @@
#![allow(dead_code)]
// for the test macro expansion
extern crate self as mono_fmt;
mod args;
mod opts;
mod write;
pub use mono_fmt_macro::format_args;
#[doc(hidden)]
pub use mono_fmt_macro::__format_args;
#[macro_export]
macro_rules! format_args {
($($tt:tt)*) => {
$crate::__format_args!($crate $($tt)*)
};
}
pub use crate::args::Arguments;
pub use crate::opts::FmtOpts;
@ -137,7 +142,6 @@ mod tests {
}
}
fn f() {
crate::format!("uwu, {f:_<?}", "what");
}
}