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mutable decl syntax change

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This commit is contained in:
Valdemar Høgsvig Lorenzen
2026-08-05 21:19:41 +02:00
parent 88b94197c9
commit 081a3fd5df
74 changed files with 870 additions and 733 deletions
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std/io/file.hon
+3 -3
View File
@@ -47,7 +47,7 @@ writer func(file File) Writer {
}
hide system_read func(_ ?@mut anyopaque, handle Handle, buffer []mut u8) usize ! ReadError {
request usize = buffer.len
request usize := buffer.len
maximum usize :: usize(maxval!(c_long))
if request > maximum {
request = maximum
@@ -69,7 +69,7 @@ hide system_read func(_ ?@mut anyopaque, handle Handle, buffer []mut u8) usize !
}
hide system_write func(_ ?@mut anyopaque, handle Handle, bytes []u8) usize ! WriteError {
request usize = bytes.len
request usize := bytes.len
maximum usize :: usize(maxval!(c_long))
if request > maximum {
request = maximum
@@ -91,7 +91,7 @@ hide system_write func(_ ?@mut anyopaque, handle Handle, bytes []u8) usize ! Wri
}
hide system_open func(_ ?@mut anyopaque, path [;0]u8, mode FileMode) Handle ! OpenError {
flags c_int = c.O_RDONLY
flags c_int := c.O_RDONLY
match mode {
.read_only: flags = c.O_RDONLY
.write_only: flags = c.O_WRONLY
std/io/io.hon
+19 -19
View File
@@ -73,7 +73,7 @@ write func(output Writer, bytes []u8) usize ! WriteError {
}
write_all func(output Writer, bytes []u8) void ! WriteError {
offset usize = 0
offset usize := 0
while offset < bytes.len {
count usize :: write(output, bytes[offset..]) catch |err| {
return err
@@ -129,12 +129,12 @@ print func(output Writer, $format []u8, $Args type, args Args) void ! WriteError
}
hide write_integer_signed func(output Writer, value i64, base u64, uppercase bool) void ! WriteError {
buffer [65]mut u8 = undefined
end usize = buffer.len
current i64 = value
buffer [65]mut u8 := undefined
end usize := buffer.len
current i64 := value
while true {
digit_value i64 :: rem!(current, i64(base))
digit u8 = 0
digit u8 := 0
if digit_value < 0 {
digit = u8(-digit_value)
} else {
@@ -162,9 +162,9 @@ hide write_integer_signed func(output Writer, value i64, base u64, uppercase boo
}
hide write_integer_unsigned func(output Writer, value u64, base u64, uppercase bool) void ! WriteError {
buffer [65]mut u8 = undefined
end usize = buffer.len
current u64 = value
buffer [65]mut u8 := undefined
end usize := buffer.len
current u64 := value
while true {
digit u8 :: u8(rem!(current, base))
end -= 1
@@ -206,11 +206,11 @@ hide FormatToken :: struct {
}
hide parse_format func($N usize, $format []u8, $Args type) [N]mut FormatToken {
tokens [N]mut FormatToken = undefined
tokens [N]mut FormatToken := undefined
for (usize(0))..format.len |index| {
tokens[index] = FormatToken {kind = .unused, start = 0, end = 0, field = ""}
}
field_count usize = 0
field_count usize := 0
match typeinfo!(Args) {
.record |record|: {
if !record.is_tuple {
@@ -221,10 +221,10 @@ hide parse_format func($N usize, $format []u8, $Args type) [N]mut FormatToken {
else: compile_error!("io.print arguments must be a tuple")
}
token_count usize = 0
argument_count usize = 0
literal_start usize = 0
cursor usize = 0
token_count usize := 0
argument_count usize := 0
literal_start usize := 0
cursor usize := 0
while cursor < format.len {
byte :: format[cursor]
if byte == '{' {
@@ -243,8 +243,8 @@ hide parse_format func($N usize, $format []u8, $Args type) [N]mut FormatToken {
literal_start = cursor
continue
}
kind FormatTokenKind = .default
width usize = 2
kind FormatTokenKind := .default
width usize := 2
if next != '}' {
if cursor + 2 >= format.len or format[cursor + 2] != '}' {
compile_error!("io.print format expects a one-character specifier")
@@ -353,8 +353,8 @@ hide write_integer func(output Writer, $T type, value T, base u64, uppercase boo
hide write_float func(output Writer, $T type, value T, scientific bool) void ! WriteError {
match typeinfo!(T) {
.float: {
buffer [64]mut u8 = undefined
count c_int = 0
buffer [64]mut u8 := undefined
count c_int := 0
if sizeof!(T) == 4 {
if scientific {
count = c.snprintf(ptrcast!(c_char, (&buffer).ptr), c_ulong(buffer.len), "%.8e", value)
@@ -401,7 +401,7 @@ hide write_character func(output Writer, $T type, value T) void ! WriteError {
if minval!(T) < 0 or maxval!(T) > 255 {
compile_error!("io.print '{c}' requires an unsigned integer that fits in u8")
}
buffer [1]u8 = [u8(value)]
buffer [1]u8 := [u8(value)]
try write_all(output, buffer[..])
}
.distinct |backing|: if scalar_or_distinct_type(backing) {