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cgen/autofree: sb.writeln() optimization fixes

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This commit is contained in:
Alexander Medvednikov
2020-07-13 18:59:39 +02:00
parent e5a5e76a30
commit 1c682d7b89
3 changed files with 36 additions and 16 deletions
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17
vlib/strings/builder_test.v
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@ -1,5 +1,7 @@
import strings
type MyInt = int
fn test_sb() {
mut sb := strings.Builder{}
sb.write('hi')
@ -15,7 +17,20 @@ fn test_sb() {
sb.write('b')
assert sb.len == 2
assert sb.str() == 'ab'
///
// Test interpolation optimization
sb = strings.new_builder(10)
x := 10
y := MyInt(20)
sb.writeln('x = $x y = $y')
res := sb.str()
assert res[res.len-1] == `\n`
println('"$res"')
assert res.trim_space() == 'x = 10 y = 20'
//
sb = strings.new_builder(10)
sb.write('x = $x y = $y')
assert sb.str() == 'x = 10 y = 20'
$if !windows {
// TODO msvc bug
sb = strings.new_builder(10)