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various fixes

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* comptime expression is a block expression as it should be
 * fix var args when number of args passed is 0
 * implement const value equality for structs
 * fix indent when rendering container decl AST
 * IR: prevent duplicate generation of code when it is partially
   compile-time evaluated
 * implement compile time struct field pointer evaluation
 * fix compile time evaluation of slicing
This commit is contained in:
Andrew Kelley
2017-01-23 23:30:20 -05:00
parent 17cb85dfb8
commit 32d8686da8
10 changed files with 84 additions and 42 deletions
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16
example/cat/main.zig
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@@ -16,9 +16,7 @@ pub fn main(args: [][]u8) -> %void {
} else {
var is: io.InStream = undefined;
is.open(arg) %% |err| {
%%io.stderr.printf("Unable to open file: ");
%%io.stderr.printf(@errorName(err));
%%io.stderr.printf("\n");
%%io.stderr.printf("Unable to open file: {}\n", @errorName(err));
return err;
};
defer %%is.close();
@@ -34,9 +32,7 @@ pub fn main(args: [][]u8) -> %void {
}
fn usage(exe: []u8) -> %void {
%%io.stderr.printf("Usage: ");
%%io.stderr.printf(exe);
%%io.stderr.printf(" [FILE]...\n");
%%io.stderr.printf("Usage: {} [FILE]...\n", exe);
return error.Invalid;
}
@@ -45,9 +41,7 @@ fn cat_stream(is: &io.InStream) -> %void {
while (true) {
const bytes_read = is.read(buf) %% |err| {
%%io.stderr.printf("Unable to read from stream: ");
%%io.stderr.printf(@errorName(err));
%%io.stderr.printf("\n");
%%io.stderr.printf("Unable to read from stream: {}\n", @errorName(err));
return err;
};
@@ -56,9 +50,7 @@ fn cat_stream(is: &io.InStream) -> %void {
}
io.stdout.write(buf[0...bytes_read]) %% |err| {
%%io.stderr.printf("Unable to write to stdout: ");
%%io.stderr.printf(@errorName(err));
%%io.stderr.printf("\n");
%%io.stderr.printf("Unable to write to stdout: {}\n", @errorName(err));
return err;
};
}