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New faults and syntax (#2034)

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- Remove `[?]` syntax.
- Change `int!` to `int?` syntax.
- New `fault` declarations.
- Enum associated values can reference the calling enum.
This commit is contained in:
Christoffer Lerno
2025-03-10 00:11:35 +01:00
committed by GitHub
parent fefce25081
commit 25bccf4883
392 changed files with 3129 additions and 3658 deletions
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20
lib/std/io/stream/bytereader.c3
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@@ -17,9 +17,9 @@ fn ByteReader* ByteReader.init(&self, char[] bytes)
return self;
}
fn usz! ByteReader.read(&self, char[] bytes) @dynamic
fn usz? ByteReader.read(&self, char[] bytes) @dynamic
{
if (self.index >= self.bytes.len) return IoError.EOF?;
if (self.index >= self.bytes.len) return io::EOF?;
usz len = min(self.bytes.len - self.index, bytes.len);
if (len == 0) return 0;
mem::copy(bytes.ptr, &self.bytes[self.index], len);
@@ -27,19 +27,19 @@ fn usz! ByteReader.read(&self, char[] bytes) @dynamic
return len;
}
fn char! ByteReader.read_byte(&self) @dynamic
fn char? ByteReader.read_byte(&self) @dynamic
{
if (self.index >= self.bytes.len) return IoError.EOF?;
if (self.index >= self.bytes.len) return io::EOF?;
return self.bytes[self.index++];
}
fn void! ByteReader.pushback_byte(&self) @dynamic
fn void? ByteReader.pushback_byte(&self) @dynamic
{
if (!self.index) return IoError.INVALID_PUSHBACK?;
if (!self.index) return INVALID_PUSHBACK?;
self.index--;
}
fn usz! ByteReader.seek(&self, isz offset, Seek seek) @dynamic
fn usz? ByteReader.seek(&self, isz offset, Seek seek) @dynamic
{
isz new_index;
switch (seek)
@@ -48,12 +48,12 @@ fn usz! ByteReader.seek(&self, isz offset, Seek seek) @dynamic
case CURSOR: new_index = self.index + offset;
case END: new_index = self.bytes.len + offset;
}
if (new_index < 0) return IoError.INVALID_POSITION?;
if (new_index < 0) return INVALID_POSITION?;
self.index = new_index;
return new_index;
}
fn usz! ByteReader.write_to(&self, OutStream writer) @dynamic
fn usz? ByteReader.write_to(&self, OutStream writer) @dynamic
{
if (self.index >= self.bytes.len) return 0;
usz written = writer.write(self.bytes[self.index..])!;
@@ -62,7 +62,7 @@ fn usz! ByteReader.write_to(&self, OutStream writer) @dynamic
return written;
}
fn usz! ByteReader.available(&self) @inline @dynamic
fn usz? ByteReader.available(&self) @inline @dynamic
{
return max(0, self.bytes.len - self.index);
}