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Printable values passed to the Formatter as pointers, will print as if passed by value. Pointers are rendered with "0x" prefix when passed to '%s'.

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This commit is contained in:
Christoffer Lerno
2024-08-11 00:27:06 +02:00
parent f2911be116
commit 224c3f4123
4 changed files with 35 additions and 15 deletions
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20
test/unit/stdlib/core/formatter.c3 Normal file
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@@ -0,0 +1,20 @@
module std::core::formatter_test;
import std;
struct Foo (Printable) { int a; }
fn usz! Foo.to_format(&self, Formatter *f) @dynamic
{
return f.printf("Foo[%d]", self.a);
}
fn void test_ref() @test
{
Foo* f = &&Foo{ 8 };
Foo* f0 = null;
int* a = (void*)(uptr)0x40;
int* b = null;
String s = string::new_format("%s %s %s %s %s", a, b, f0, f, *f);
defer free(s);
assert(s == "0x40 0x0 (null) Foo[8] Foo[8]");
}

2
test/unit/stdlib/core/string.c3
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@@ -19,7 +19,7 @@ fn void test_print_null()
ZString w = "hello";
String s = string::new_format("%s %s %s", z, w, y);
defer free(s);
assert(s == "(null) hello (null)");
assert(s == "(null) hello 0x0");
}
fn void test_strip()