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106_files.zig actual test

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Alan CHUNG 2024-03-26 13:51:59 +08:00
parent 74a6e60e17
commit 9ce889b438
2 changed files with 6 additions and 6 deletions
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2
build.zig
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@ -1123,7 +1123,7 @@ const exercises = [_]Exercise{
}, },
.{ .{
.main_file = "106_files.zig", .main_file = "106_files.zig",
.output = "succefully wrote 18 bytes.", .output = "Succefully wrote 18 bytes.",
}, },
.{ .{
.main_file = "999_the_end.zig", .main_file = "999_the_end.zig",

10
exercises/106_files.zig
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@ -35,8 +35,8 @@ pub fn main() !void {
// by doing nothing // by doing nothing
// //
// we want to catch error.PathAlreadyExists and do nothing // we want to catch error.PathAlreadyExists and do nothing
error.PathAlreadyExists => { ??? => {
return; ???;
}, },
// if is any other unexpected error we just propagate it through // if is any other unexpected error we just propagate it through
else => return e, else => return e,
@ -46,7 +46,7 @@ pub fn main() !void {
// wait a minute // wait a minute
// opening a directory might fail! // opening a directory might fail!
// what should we do here? // what should we do here?
const output_dir: std.fs.Dir = try cwd.openDir("output", .{}); const output_dir: std.fs.Dir = cwd.openDir("output", .{});
// we try to open the file `zigling.txt`, // we try to open the file `zigling.txt`,
// and propagate the error up if there are any errors // and propagate the error up if there are any errors
@ -56,11 +56,11 @@ pub fn main() !void {
// but here we are not yet done writing to the file // but here we are not yet done writing to the file
// if only there are a keyword in zig that // if only there are a keyword in zig that
// allow you "defer" code execute to the end of scope... // allow you "defer" code execute to the end of scope...
defer file.close(); file.close();
// !you are not allow to switch this two lines to before file closing line! // !you are not allow to switch this two lines to before file closing line!
const byte_written = try file.write("It's zigling time!"); const byte_written = try file.write("It's zigling time!");
std.debug.print("succefully wrote {} bytes.\n", .{byte_written}); std.debug.print("Succefully wrote {} bytes.\n", .{byte_written});
} }
// to check if you actually write to the file, you can either, // to check if you actually write to the file, you can either,
// 1. open the file on your text editor, or // 1. open the file on your text editor, or