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Diffstat (limited to 'exercises/40_pointers2.zig')
-rw-r--r-- | exercises/40_pointers2.zig | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/exercises/40_pointers2.zig b/exercises/40_pointers2.zig deleted file mode 100644 index 43dd2c3..0000000 --- a/exercises/40_pointers2.zig +++ /dev/null @@ -1,27 +0,0 @@ -// -// It's important to note that variable pointers and constant pointers -// are different types. -// -// Given: -// -// var foo: u8 = 5; -// const bar: u8 = 5; -// -// Then: -// -// &foo is of type "*u8" -// &bar is of type "*const u8" -// -// You can always make a constant pointer to a variable, but you cannot -// make a variable pointer to a constant. This sounds like a logic puzzle, -// but it just means that once data is declared immutable, you can't -// coerce it to a mutable type. It's a safety thing (to prevent mistakes). -// -const std = @import("std"); - -pub fn main() void { - const a: u8 = 12; - const b: *u8 = &a; // fix this! - - std.debug.print("a: {}, b: {}\n", .{ a, b.* }); -} |