Noratrieb/mono-fmt
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tests pass again

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This commit is contained in:
nora 2022-09-24 18:23:39 +02:00
parent 53e8bec4ec
commit d7844568ca
5 changed files with 294 additions and 56 deletions
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41
src/lib.rs
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@ -80,7 +80,10 @@ impl<W: Write, O: FmtOpts> Formatter<W, O> {
}
impl<W, O: FmtOpts> Formatter<W, O> {
fn wrap_with<'opt, ONew: FmtOpts>(&mut self, opts: &ONew) -> Formatter<&mut W, ONew::ReplaceInnermost<O>> {
fn wrap_with<'opt, ONew: FmtOpts>(
&mut self,
opts: &ONew,
) -> Formatter<&mut W, ONew::ReplaceInnermost<O>> {
Formatter {
buf: &mut self.buf,
opts: opts.override_other(self.opts),
@ -88,15 +91,19 @@ impl<W, O: FmtOpts> Formatter<W, O> {
}
}
pub fn write<W: Write, A: Arguments>(buffer: W, args: A) -> Result {
let mut fmt = Formatter::new(buffer);
args.fmt(&mut fmt)
}
pub mod helpers {
use crate::{Arguments, Formatter, Result, Write};
pub fn format<A: Arguments>(args: A) -> String {
let mut string = String::new();
write(&mut string, args).unwrap();
string
pub fn write<W: Write, A: Arguments>(buffer: W, args: A) -> Result {
let mut fmt = Formatter::new(buffer);
args.fmt(&mut fmt)
}
pub fn format<A: Arguments>(args: A) -> String {
let mut string = String::new();
write(&mut string, args).unwrap();
string
}
}
/// Not part of the public API.
@ -116,7 +123,7 @@ mod _private {
#[macro_export]
macro_rules! format {
($($tt:tt)*) => {
$crate::format($crate::format_args!($($tt)*))
$crate::helpers::format($crate::format_args!($($tt)*))
};
}
@ -154,17 +161,3 @@ mod tests {
assert_eq!(result, "a: 32523532");
}
}
// testing
fn fmt() {
let a = (
_private::Str("amount: "),
_private::DebugArg::<_, _private::WithAlternate<()>>(5, _private::WithAlternate(())),
);
let mut str = String::new();
let mut f = Formatter::new(&mut str);
Arguments::fmt(&a, &mut f).unwrap();
println!("{str}");
}