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author | Dave Gauer <dave@ratfactor.com> | 2021-02-09 18:36:57 -0500 |
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committer | Dave Gauer <dave@ratfactor.com> | 2021-02-09 18:36:57 -0500 |
commit | 55ad7c32f2d534b1fbd438204d21738f958c51a5 (patch) | |
tree | 16be4b53193105a759b3eec25be5e664d41c428d /40_pointers2.zig | |
parent | cf0920de31e9b5f3c5ba6de19a1b4c8d0c58b907 (diff) | |
download | ziglings-55ad7c32f2d534b1fbd438204d21738f958c51a5.tar.gz ziglings-55ad7c32f2d534b1fbd438204d21738f958c51a5.tar.bz2 ziglings-55ad7c32f2d534b1fbd438204d21738f958c51a5.tar.xz ziglings-55ad7c32f2d534b1fbd438204d21738f958c51a5.zip |
Moved exercises to exercises because exercises
Diffstat (limited to '40_pointers2.zig')
-rw-r--r-- | 40_pointers2.zig | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/40_pointers2.zig b/40_pointers2.zig deleted file mode 100644 index b046dc1..0000000 --- a/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.*}); -} |