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examples: fix optional in string interpolation and format error (#14079)

master
yuyi 2022-04-19 18:29:53 +08:00 committed by GitHub
parent e16ce3af88
commit a318a2e09e
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3 changed files with 5 additions and 4 deletions
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4
examples/net_raw_http.v
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@ -8,8 +8,8 @@ fn main() {
conn.close() or {}
}
println(' peer: $conn.peer_addr()')
println('local: $conn.addr()')
println(' peer: ${conn.peer_addr() ?}')
println('local: ${conn.addr() ?}')
// Simple http HEAD request for a file
conn.write_string('HEAD /index.html HTTP/1.0\r\n\r\n') ?

2
examples/random_ips.v
View File

@ -2,6 +2,6 @@ import rand
fn main() {
for _ in 0 .. 10 {
println('${rand.intn(255)}.${rand.intn(255)}.${rand.intn(255)}.${rand.intn(255)}')
println('${rand.intn(255) ?}.${rand.intn(255) ?}.${rand.intn(255) ?}.${rand.intn(255) ?}')
}
}

3
vlib/v/ast/str.v
View File

@ -209,7 +209,8 @@ pub fn (lit &StringInterLiteral) get_fspec_braces(i int) (string, bool) {
break
}
CallExpr {
if sub_expr.args.len != 0 || sub_expr.concrete_types.len != 0 {
if sub_expr.args.len != 0 || sub_expr.concrete_types.len != 0
|| sub_expr.or_block.kind == .propagate || sub_expr.or_block.stmts.len > 0 {
needs_braces = true
} else if sub_expr.left is CallExpr {
sub_expr = sub_expr.left