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cgen: fix accessing fields in propagated optional subexpressions (#10136)

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spaceface 2021-05-19 20:28:17 +02:00 committed by GitHub
parent be189e0059
commit 9ddf1ec327
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2 changed files with 9 additions and 1 deletions
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2
vlib/v/gen/c/fn.v
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@ -462,7 +462,7 @@ fn (mut g Gen) call_expr(node ast.CallExpr) {
g.write('\n $cur_line $tmp_opt /*U*/')
} else {
if !g.inside_const {
g.write('\n $cur_line *($unwrapped_styp*)${tmp_opt}.data')
g.write('\n $cur_line (*($unwrapped_styp*)${tmp_opt}.data)')
} else {
g.write('\n $cur_line $tmp_opt')
}

8
vlib/v/tests/option_2_test.v
View File

@ -56,3 +56,11 @@ fn test_nested_opt() {
a := f(f(f(-3) or { -7 }) or { 4 }) or { 17 }
assert a == 4
}
fn foo() ?string {
return 'hi'
}
fn test_opt_subexp_field() ? {
assert foo() ?.len == 2
}