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"Multi pointers" are now "many pointers"
TypeInfo.Pointer.Size says "many", so there we are!
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parent
4a421cca28
commit
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5 changed files with 11 additions and 11 deletions
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@ -129,7 +129,7 @@ Planned exercises:
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* [x] Optionals
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* [x] Struct methods
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* [x] Slices
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* [x] Multi pointers
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* [x] Many pointers
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* [ ] Unions
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* [ ] Numeric types (integers, floats)
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* [ ] Labelled blocks and loops
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@ -277,7 +277,7 @@ const exercises = [_]Exercise{
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.output = "'all your base are belong to us.' 'for great justice.'",
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},
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.{
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.main_file = "54_multipointers.zig",
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.main_file = "54_manypointers.zig",
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.output = "Memory is a resource.",
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},
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};
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@ -18,19 +18,19 @@ pub fn main() void {
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//
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// const zen12: []const u8 = "...";
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//
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// Now let's turn this into a "multi pointer":
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const zen_multiptr: [*]const u8 = zen12;
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// Now let's turn this into a "many pointer":
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const zen_manyptr: [*]const u8 = zen12;
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// It's okay to access zen_multiptr just like an array or slice as
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// It's okay to access zen_manyptr just like an array or slice as
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// long as you keep track of the length yourself!
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//
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// A "string" in Zig is a pointer to an array of const u8 values
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// or a slice of const u8 values, into one, as we saw above). So,
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// we could treat a "multi pointer" of const u8 a string as long
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// we could treat a "many pointer" of const u8 a string as long
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// as we can CONVERT IT TO A SLICE. (Hint: we do know the length!)
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//
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// Please fix this line so the print below statement can print it:
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const zen12_string: []const u8 = zen_multiptr;
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const zen12_string: []const u8 = zen_manyptr;
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// Here's the moment of truth!
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std.debug.print("{s}\n", .{zen12_string});
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4
patches/patches/54_manypointers.patch
Normal file
4
patches/patches/54_manypointers.patch
Normal file
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@ -0,0 +1,4 @@
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33c33
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< const zen12_string: []const u8 = zen_manyptr;
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---
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> const zen12_string: []const u8 = zen_manyptr[0..21];
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@ -1,4 +0,0 @@
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33c33
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< const zen12_string: []const u8 = zen_multiptr;
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---
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> const zen12_string: []const u8 = zen_multiptr[0..21];
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