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Inline make_if macro

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This commit is contained in:
Cameron Steffen 2021-08-01 17:44:31 -05:00
parent 8746b79a38
commit 02cd72e34b
1 changed files with 4 additions and 12 deletions
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16
compiler/rustc_ast_lowering/src/expr.rs
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@ -442,18 +442,10 @@ impl<'hir> LoweringContext<'_, 'hir> {
then: &Block,
else_opt: Option<&Expr>,
) -> hir::ExprKind<'hir> {
macro_rules! make_if {
($opt:expr) => {{
let cond = self.lower_expr(cond);
let then_expr = self.lower_block_expr(then);
hir::ExprKind::If(cond, self.arena.alloc(then_expr), $opt)
}};
}
if let Some(rslt) = else_opt {
make_if!(Some(self.lower_expr(rslt)))
} else {
make_if!(None)
}
let cond = self.lower_expr(cond);
let then = self.arena.alloc(self.lower_block_expr(then));
let els = else_opt.map(|els| self.lower_expr(els));
hir::ExprKind::If(cond, then, els)
}
fn lower_expr_if_let(