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| -rw-r--r-- | 06_strings.zig | 40 | ||||
| -rw-r--r-- | 07_strings2.zig | 24 | ||||
| -rw-r--r-- | README.md | 1 | ||||
| -rwxr-xr-x | ziglings | 2 |
4 files changed, 67 insertions, 0 deletions
diff --git a/06_strings.zig b/06_strings.zig new file mode 100644 index 0000000..cac40e0 --- /dev/null +++ b/06_strings.zig @@ -0,0 +1,40 @@ +// +// Now that we've learned about arrays, we can talk about strings. +// +// We've already seen Zig string literals: "Hello world.\n" +// +// Like the C language, Zig stores strings as arrays of bytes +// encoded as UTF-8 characters terminated with a null value. +// For now, just focus on the fact that strings are arrays of +// characters! +// +const std = @import("std"); + +pub fn main() void { + const ziggy = "stardust"; + + // Use array square bracket syntax to get the letter 'd' from + // the string "stardust" above. + const d: u8 = ziggy[???]; + + // Use the array repeat '**' operator to make "ha ha ha". + const laugh = "ha " ???; + + // Use the array concatenation '++' operator to make "Major Tom". + // (You'll need to add a space as well!) + const major = "Major"; + const tom = "Tom"; + const major_tom = major ??? tom; + + std.debug.print("d={u} {}{}\n",.{d, laugh, major_tom}); + // Going deeper: + // Keen eyes will notice that we've put a 'u' inside the '{}' + // placeholder in the format string above. This tells the + // print() function (which uses std.fmt.format() function) to + // print out a UTF-8 character. Otherwise we'd see '100', which + // is the decimal number corresponding with the 'd' character + // in UTF-8. + // While we're on this subject, 'c' (ASCII encoded character) + // would work in place for 'u' because the first 128 characters + // of UTF-8 are the same as ASCII! +} diff --git a/07_strings2.zig b/07_strings2.zig new file mode 100644 index 0000000..bb81bc7 --- /dev/null +++ b/07_strings2.zig @@ -0,0 +1,24 @@ +// +// Here's a fun one: Zig has multi-line strings! +// +// To make a multi-line string, put '\\' at the beginning of each +// line just like a code comment but with backslashes instead: +// +// const two_lines = +// \\Line One +// \\Line Two +// ; +// +// See if you can make this program print some song lyrics. +// +const std = @import("std"); + +pub fn main() void { + const lyrics = + Ziggy played guitar + Jamming good with Andrew Kelley + And the Spiders from Mars + ; + + std.debug.print("{}\n",.{lyrics}); +} @@ -61,6 +61,7 @@ Planned exercises: * [x] Importing standard library * [x] Assignment * [x] Arrays +* [x] Strings * [ ] If * [ ] While * [ ] For @@ -70,6 +70,8 @@ check_it 02_std.zig "Standard Library" check_it 03_assignment.zig "55 314159 -11" "There are three mistakes in this one!" check_it 04_arrays.zig "Fourth: 7, Length: 8" "There are two things to complete here." check_it 05_arrays2.zig "LEET: 1337, Bits: 100110011001" "Fill in the two arrays." +check_it 06_strings.zig "d=d ha ha ha Major Tom" "Each '???' needs something filled in." +check_it 07_strings2.zig "Ziggy" "Please fix the lyrics!" echo echo " __ __ _ " |