diff options
| -rw-r--r-- | build.zig | 16 |
1 files changed, 8 insertions, 8 deletions
@@ -15,8 +15,7 @@ const print = std.debug.print; pub const Exercise = struct { /// main_file must have the format key_name.zig. - /// The key will be used as a shorthand to build - /// just one example. + /// The key will be used as a shorthand to build just one example. main_file: []const u8, /// This is the desired output of the program. @@ -31,8 +30,8 @@ pub const Exercise = struct { /// Set this to true to check stdout instead. check_stdout: bool = false, - /// This exercise makes use of C functions - /// We need to keep track of this, so we compile with libc + /// This exercise makes use of C functions. + /// We need to keep track of this, so we compile with libc. link_libc: bool = false, /// This exercise is not supported by the current Zig compiler. @@ -47,13 +46,14 @@ pub const Exercise = struct { /// "zero padding" removed. /// For example, "001_hello.zig" has the key "1". pub fn key(self: Exercise) []const u8 { - const end_index = std.mem.indexOfScalar(u8, self.main_file, '_'); - assert(end_index != null); // main file must be key_description.zig + // Main file must be key_description.zig. + const end_index = std.mem.indexOfScalar(u8, self.main_file, '_') orelse + unreachable; - // remove zero padding by advancing index past '0's + // Remove zero padding by advancing index past '0's. var start_index: usize = 0; while (self.main_file[start_index] == '0') start_index += 1; - return self.main_file[start_index..end_index.?]; + return self.main_file[start_index..end_index]; } /// Returns the exercise key as an integer. |