Rust で [f(), g()] って f() が先に評価されるのってバージョン依存? いやそんなわけはないと思うんだけど、明示された文書ってどこかにあったっけ
Expressions - The Rust Reference
https://doc.rust-lang.org/reference/expressions.html#evaluation-order-of-operands
> The operands of these expressions are evaluated prior to applying the effects of the expression. Expressions taking multiple operands are evaluated left to right as written in the source code.
ヨシ!