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`std.Io.tty.Config.detect` may be an expensive check (e.g. involving
syscalls), and doing it every time we need to print isn't really
necessary; under normal usage, we can compute the value once and cache
it for the whole program's execution. Since anyone outputting to stderr
may reasonably want this information (in fact they are very likely to),
it makes sense to cache it and return it from `lockStderrWriter`. Call
sites who do not need it will experience no significant overhead, and
can just ignore the TTY config with a `const w, _` destructure.
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only thing remaining is using libc dns resolution when linking libc
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I’ve been typing `zig fmt **/.zig` for a long time, until I discovered
that the argument can actually be a directory.
Mention this feature explicitly in the help message.
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This "get" is useless noise and was copied from FixedBufferWriter.
Since this API has not yet landed in a release, now is a good time
to make the breaking change to fix this.
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please use File.Writer for these use cases
also breaking API changes to std.fs.AtomicFile
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Provided for debugging/testing purposes; unused by the compiler.
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added adapter to AnyWriter and GenericWriter to help bridge the gap
between old and new API
make std.testing.expectFmt work at compile-time
std.fmt no longer has a dependency on std.unicode. Formatted printing
was never properly unicode-aware. Now it no longer pretends to be.
Breakage/deprecations:
* std.fs.File.reader -> std.fs.File.deprecatedReader
* std.fs.File.writer -> std.fs.File.deprecatedWriter
* std.io.GenericReader -> std.io.Reader
* std.io.GenericWriter -> std.io.Writer
* std.io.AnyReader -> std.io.Reader
* std.io.AnyWriter -> std.io.Writer
* std.fmt.format -> std.fmt.deprecatedFormat
* std.fmt.fmtSliceEscapeLower -> std.ascii.hexEscape
* std.fmt.fmtSliceEscapeUpper -> std.ascii.hexEscape
* std.fmt.fmtSliceHexLower -> {x}
* std.fmt.fmtSliceHexUpper -> {X}
* std.fmt.fmtIntSizeDec -> {B}
* std.fmt.fmtIntSizeBin -> {Bi}
* std.fmt.fmtDuration -> {D}
* std.fmt.fmtDurationSigned -> {D}
* {} -> {f} when there is a format method
* format method signature
- anytype -> *std.io.Writer
- inferred error set -> error{WriteFailed}
- options -> (deleted)
* std.fmt.Formatted
- now takes context type explicitly
- no fmt string
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preparing to rearrange std.io namespace into an interface
how to upgrade:
std.io.getStdIn() -> std.fs.File.stdin()
std.io.getStdOut() -> std.fs.File.stdout()
std.io.getStdErr() -> std.fs.File.stderr()
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This commit allows using ZON (Zig Object Notation) in a few ways.
* `@import` can be used to load ZON at comptime and convert it to a
normal Zig value. In this case, `@import` must have a result type.
* `std.zon.parse` can be used to parse ZON at runtime, akin to the
parsing logic in `std.json`.
* `std.zon.stringify` can be used to convert arbitrary data structures
to ZON at runtime, again akin to `std.json`.
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Currently, `zig ast-check` fails on ZON files, because it tries to
interpret the file as Zig source code. This commit introduces a new
verification pass, `std.zig.ZonGen`, which applies to an AST in ZON
mode.
Like `AstGen`, this pass also converts the AST into a more helpful
format. Rather than a sequence of instructions like `Zir`, the output
format of `ZonGen` is a new datastructure called `Zoir`. This type is
essentially a simpler form of AST, containing only the information
required for consumers of ZON. It is also far more compact than
`std.zig.Ast`, with the size generally being comparable to the size of
the well-formatted source file.
The emitted `Zoir` is currently not used aside from the `-t` option to
`ast-check` which causes it to be dumped to stdout. However, in future,
it can be used for comptime `@import` of ZON files, as well as for
simpler handling of files like `build.zig.zon`, and even by other parts
of the Zig Standard Library.
Resolves: #22078
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This command being JITed leads to a substantially worse first-time user
experience, since you have to wait for upwards of 20 seconds for
`fmt.zig` to build. This is especially bad when your editor is
configured to run `zig fmt` on save and does so in a blocking manner. As
such, it makes sense from a usability perspective to not JIT this
particular command.
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