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fmt: simplify parse_conversion

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This commit is contained in:
Andrew Paseltiner 2013-01-07 14:50:04 -05:00
parent af298deff7
commit 9e5a4166d5
1 changed files with 7 additions and 5 deletions
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12
src/libcore/extfmt.rs
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@ -214,17 +214,19 @@ pub mod ct {
err: ErrorFn) ->
Parsed<Piece> {
let parm = parse_parameter(s, i, lim);
let flags = parse_flags(s, parm.next, lim);
let width = parse_count(s, flags.next, lim);
// avoid copying ~[Flag] by destructuring
let Parsed {val: flags_val, next: flags_next} = parse_flags(s,
parm.next, lim);
let width = parse_count(s, flags_next, lim);
let prec = parse_precision(s, width.next, lim);
let ty = parse_type(s, prec.next, lim, err);
return Parsed::new(
Parsed::new(
PieceConv(Conv {param: parm.val,
flags: copy flags.val,
flags: flags_val,
width: width.val,
precision: prec.val,
ty: ty.val}),
ty.next);
ty.next)
}
pub fn parse_parameter(s: &str, i: uint, lim: uint) ->
Parsed<Option<uint>> {