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syntax: Make span functions take args by copy. Eliminate some copy warnings

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This commit is contained in:
Brian Anderson 2012-06-04 21:57:27 -07:00
parent e86214830a
commit 75e4b8c8e9
1 changed files with 3 additions and 3 deletions
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6
src/libsyntax/ast_util.rs
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@ -1,15 +1,15 @@
import codemap::span; import codemap::span;
import ast::*; import ast::*;
pure fn spanned<T: copy>(lo: uint, hi: uint, t: T) -> spanned<T> { pure fn spanned<T>(lo: uint, hi: uint, +t: T) -> spanned<T> {
respan(mk_sp(lo, hi), t) respan(mk_sp(lo, hi), t)
} }
pure fn respan<T: copy>(sp: span, t: T) -> spanned<T> { pure fn respan<T>(sp: span, +t: T) -> spanned<T> {
{node: t, span: sp} {node: t, span: sp}
} }
pure fn dummy_spanned<T: copy>(t: T) -> spanned<T> { pure fn dummy_spanned<T>(+t: T) -> spanned<T> {
respan(dummy_sp(), t) respan(dummy_sp(), t)
} }