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dev.1711 - switched to multi-object-for-loops

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Chris Boesch
2023-02-21 21:43:40 +01:00
parent f9b3d50824
commit e7326dc5f9
9 changed files with 18 additions and 16 deletions
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11
exercises/016_for2.zig
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@@ -1,8 +1,9 @@
//
// For loops also let you store the "index" of the iteration - a
// number starting with 0 that counts up with each iteration:
// For loops also let you use the "index" of the iteration, a number
// that counts up with each iteration. To access the index of iteration,
// specify a second condition as well as a second capture value.
//
// for (items) |item, index| {
// for (items, 0..) |item, index| {
//
// // Do something with item and index
//
@@ -23,8 +24,8 @@ pub fn main() void {
// Now we'll convert the binary bits to a number value by adding
// the value of the place as a power of two for each bit.
//
// See if you can figure out the missing piece:
for (bits) |bit, ???| {
// See if you can figure out the missing pieces:
for (bits, ???) |bit, ???| {
// Note that we convert the usize i to a u32 with
// @intCast(), a builtin function just like @import().
// We'll learn about these properly in a later exercise.