Made the time to string functions pure as well as empty_tm.

This closes #3919.
This commit is contained in:
Jesse Jones 2012-11-17 09:27:03 -08:00 committed by Brian Anderson
parent c58951ea7d
commit 2c0dab02ad

View File

@ -107,7 +107,7 @@ impl Tm : Eq {
pure fn ne(other: &Tm) -> bool { *self != *(*other) }
}
pub fn empty_tm() -> Tm {
pub pure fn empty_tm() -> Tm {
Tm_({
tm_sec: 0_i32,
tm_min: 0_i32,
@ -151,13 +151,17 @@ pub fn now() -> Tm {
}
/// Parses the time from the string according to the format string.
pub fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
do_strptime(s, format)
pub pure fn strptime(s: &str, format: &str) -> Result<Tm, ~str> {
// unsafe only because do_strptime is annoying to make pure
// (it does IO with a str_reader)
unsafe {do_strptime(s, format)}
}
/// Formats the time according to the format string.
pub fn strftime(format: &str, tm: Tm) -> ~str {
do_strftime(format, tm)
pub pure fn strftime(format: &str, tm: Tm) -> ~str {
// unsafe only because do_strftime is annoying to make pure
// (it does IO with a str_reader)
unsafe {do_strftime(format, tm)}
}
impl Tm {
@ -186,10 +190,10 @@ impl Tm {
* Return a string of the current time in the form
* "Thu Jan 1 00:00:00 1970".
*/
fn ctime() -> ~str { self.strftime(~"%c") }
pure fn ctime() -> ~str { self.strftime(~"%c") }
/// Formats the time according to the format string.
fn strftime(format: &str) -> ~str { strftime(format, self) }
pure fn strftime(format: &str) -> ~str { strftime(format, self) }
/**
* Returns a time string formatted according to RFC 822.
@ -197,7 +201,7 @@ impl Tm {
* local: "Thu, 22 Mar 2012 07:53:18 PST"
* utc: "Thu, 22 Mar 2012 14:53:18 UTC"
*/
fn rfc822() -> ~str {
pure fn rfc822() -> ~str {
if self.tm_gmtoff == 0_i32 {
self.strftime(~"%a, %d %b %Y %T GMT")
} else {
@ -211,7 +215,7 @@ impl Tm {
* local: "Thu, 22 Mar 2012 07:53:18 -0700"
* utc: "Thu, 22 Mar 2012 14:53:18 -0000"
*/
fn rfc822z() -> ~str {
pure fn rfc822z() -> ~str {
self.strftime(~"%a, %d %b %Y %T %z")
}
@ -221,7 +225,7 @@ impl Tm {
* local: "2012-02-22T07:53:18-07:00"
* utc: "2012-02-22T14:53:18Z"
*/
fn rfc3339() -> ~str {
pure fn rfc3339() -> ~str {
if self.tm_gmtoff == 0_i32 {
self.strftime(~"%Y-%m-%dT%H:%M:%SZ")
} else {