HiddenLayer555@lemmy.ml to Programmer Humor@programming.devEnglish · edit-28 天前Why make it complicated?lemmy.mlimagemessage-square122fedilinkarrow-up1368arrow-down139file-textcross-posted to: programmerhumor@lemmy.ml
arrow-up1329arrow-down1imageWhy make it complicated?lemmy.mlHiddenLayer555@lemmy.ml to Programmer Humor@programming.devEnglish · edit-28 天前message-square122fedilinkfile-textcross-posted to: programmerhumor@lemmy.ml
minus-squarenebeker@programming.devlinkfedilinkEnglisharrow-up8·8 天前let a = String::from(“Hello, world!”).into() I’ll see myself out.
minus-squareanton@lemmy.blahaj.zonelinkfedilinkarrow-up4·7 天前At least be fair and cut out the .into()
minus-squarenebeker@programming.devlinkfedilinkEnglisharrow-up3·7 天前And bow to the compiler’s whims? I think not! This shouldn’t compile, because .into needs the type from the left side and let needs the type from the right side.
minus-squareHaradion@lemmy.mllinkfedilinkarrow-up2·19 小时前If type constraints later in the function let the compiler infer the type, this syntax totally works.
minus-squarenebeker@programming.devlinkfedilinkEnglisharrow-up1·15 小时前Like if the variable is then used in a function that only takes one type? Huh.
let a = String::from(“Hello, world!”).into()I’ll see myself out.
At least be fair and cut out the
.into()And bow to the compiler’s whims? I think not!
This shouldn’t compile, because .into needs the type from the left side and let needs the type from the right side.
If type constraints later in the function let the compiler infer the type, this syntax totally works.
Like if the variable is then used in a function that only takes one type? Huh.