lysdexic@programming.dev to Rust@programming.devEnglish · 11 months agoCommon Rust Lifetime Misconceptions (2020)github.comexternal-linkmessage-square5fedilinkarrow-up138arrow-down11
arrow-up137arrow-down1external-linkCommon Rust Lifetime Misconceptions (2020)github.comlysdexic@programming.dev to Rust@programming.devEnglish · 11 months agomessage-square5fedilink
minus-squareKillTheMule@programming.devlinkfedilinkarrow-up1·edit-211 months agoNote that when you change num to take &self instead, this works out (you also need to mark foo as mutable, of course).
minus-squarehairyballs@programming.devlinkfedilinkarrow-up1·11 months agoIt’s a toy example. In that case, the solution is to assign the expression to a variable to compute its result upfront.
Note that when you change
num
to take&self
instead, this works out (you also need to markfoo
as mutable, of course).It’s a toy example. In that case, the solution is to assign the expression to a variable to compute its result upfront.