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stdlib: Un-export str::buf; add a comment

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This commit is contained in:
Patrick Walton 2011-09-29 18:36:27 -07:00
parent 3be6cf7ab2
commit 5b6dbcb030
1 changed files with 3 additions and 2 deletions
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5
src/lib/str.rs
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@ -4,8 +4,7 @@ export eq, lteq, hash, is_empty, is_not_empty, is_whitespace, byte_len, index,
unshift_char, shift_char, pop_char, push_char, is_utf8, from_chars,
to_chars, char_len, char_at, bytes, is_ascii, shift_byte, pop_byte,
unsafe_from_byte, unsafe_from_bytes, from_char, char_range_at,
str_from_cstr, sbuf, as_buf, push_byte, utf8_char_width, safe_slice,
buf;
str_from_cstr, sbuf, as_buf, push_byte, utf8_char_width, safe_slice;
native "rust" mod rustrt {
fn rust_str_push(&s: str, ch: u8);
@ -420,6 +419,8 @@ fn trim(s: str) -> str { trim_left(trim_right(s)) }
type sbuf = *u8;
// NB: This is intentionally unexported because it's easy to misuse (there's
// no guarantee that the string is rooted). Instead, use as_buf below.
fn buf(s: str) -> sbuf {
let saddr = ptr::addr_of(s);
let vaddr: *[u8] = unsafe::reinterpret_cast(saddr);