Graph
Chapter 03Ahead
Text
You read, write and transform text without ever leaving the buffer.
0 / 29 required exercises0 / 932 XP
Open Characters and ASCIIModules
Characters and ASCII
The byte as a value, the ASCII table, and the classification predicates.
0 / 84 XP2 to 2
0 / 4 required+3 optional
Strings: walking and searching
A string is an array of bytes plus its terminator, and nothing more.
0 / 224 XP2 to 4
0 / 6 required+7 optional
Writing text without overflowing
Capacity, termination, and the truncation you have to decide on.
0 / 128 XP3 to 4
0 / 4 required+2 optional
Words and tokens
Word boundaries, tokenising, and normalising whitespace.
0 / 136 XP3 to 4
0 / 4 required+3 optional
Transforming text
Character to character mapping, in place against out of place.
0 / 232 XP3 to 4
0 / 5 required+7 optional
Numbers and bases
Text to number and back, in any base, without wrapping around.
0 / 128 XP3 to 5
0 / 6 required
Validation
LockedLocked
Text handling checkpoint
5 tasks60 min100% to validate
0 / 560 Chapter XP0 / 29 required exercises
