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author | Dave Gauer <dave@ratfactor.com> | 2022-08-29 20:07:48 -0400 |
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committer | Dave Gauer <dave@ratfactor.com> | 2022-08-29 20:10:26 -0400 |
commit | 208aa3db7b4a8352b8c42cdcc3f7f7398029af2f (patch) | |
tree | 104df8ebd9818e23615c9a604e691bd54c8257f2 | |
parent | 8da93b510340311e892a18fb8e64879161b9412a (diff) | |
download | ziglings-208aa3db7b4a8352b8c42cdcc3f7f7398029af2f.tar.gz ziglings-208aa3db7b4a8352b8c42cdcc3f7f7398029af2f.tar.bz2 ziglings-208aa3db7b4a8352b8c42cdcc3f7f7398029af2f.tar.xz ziglings-208aa3db7b4a8352b8c42cdcc3f7f7398029af2f.zip |
Ex 080: Strip filename from @typeName output to address #130
-rw-r--r-- | exercises/080_anonymous_structs.zig | 15 | ||||
-rw-r--r-- | patches/patches/080_anonymous_structs.patch | 26 |
2 files changed, 30 insertions, 11 deletions
diff --git a/exercises/080_anonymous_structs.zig b/exercises/080_anonymous_structs.zig index bbf3690..0ca8f0c 100644 --- a/exercises/080_anonymous_structs.zig +++ b/exercises/080_anonymous_structs.zig @@ -7,7 +7,7 @@ // // const Foo = struct {}; // -// * The value of @typeName(Foo) is "Foo". +// * The value of @typeName(Foo) is "<filename>.Foo". // // A struct is also given a name when you return it from a // function: @@ -61,16 +61,25 @@ pub fn main() void { }; print("[{s}: {},{},{}] ", .{ - @typeName(@TypeOf(circle1)), + stripFname(@typeName(@TypeOf(circle1))), circle1.center_x, circle1.center_y, circle1.radius, }); print("[{s}: {d:.1},{d:.1},{d:.1}]\n", .{ - @typeName(@TypeOf(circle2)), + stripFname(@typeName(@TypeOf(circle2))), circle2.center_x, circle2.center_y, circle2.radius, }); } + +// Perhaps you remember the "narcissistic fix" for the type name +// in Ex. 065? We're going to do the same thing here: use a hard- +// coded slice to return the type name. That's just so our output +// look prettier. Indulge your vanity. Programmers are beautiful. +fn stripFname(mytype: []const u8) []const u8 { + return mytype[22..]; +} +// The above would be an instant red flag in a "real" program. diff --git a/patches/patches/080_anonymous_structs.patch b/patches/patches/080_anonymous_structs.patch index c9edecf..6df1890 100644 --- a/patches/patches/080_anonymous_structs.patch +++ b/patches/patches/080_anonymous_structs.patch @@ -1,8 +1,18 @@ -51c51 -< var circle1 = ??? { ---- -> var circle1 = Circle(i32) { -57c57 -< var circle2 = ??? { ---- -> var circle2 = Circle(f32) { +--- exercises/080_anonymous_structs.zig ++++ answers/080_anonymous_structs.zig +@@ -48,13 +48,13 @@ + // * circle1 should hold i32 integers + // * circle2 should hold f32 floats + // +- var circle1 = ??? { ++ var circle1 = Circle(i32){ + .center_x = 25, + .center_y = 70, + .radius = 15, + }; + +- var circle2 = ??? { ++ var circle2 = Circle(f32){ + .center_x = 25.234, + .center_y = 70.999, + .radius = 15.714, |