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add clone to SendSafe* types

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Brendan Hansknecht 2022-10-19 11:54:17 -07:00
parent 24cd78fe7e
commit 6ebfcc8fa1
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2 changed files with 25 additions and 0 deletions
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11
crates/roc_std/src/roc_str.rs
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@ -657,6 +657,17 @@ pub struct SendSafeRocStr(RocStr);
unsafe impl Send for SendSafeRocStr {}
impl Clone for SendSafeRocStr {
fn clone(&self) -> Self {
if self.0.is_readonly() {
SendSafeRocStr(self.0.clone())
} else {
// To keep self send safe, this must copy.
SendSafeRocStr(RocStr::from(self.0.as_str()))
}
}
}
impl From<RocStr> for SendSafeRocStr {
fn from(s: RocStr) -> Self {
if s.is_unique() || s.is_readonly() {