Curriculum Foundations Loops exercise 4 · fill-word
Loops
Exercise 1 covered the classic three-clause for-loop by recognition. Now produce it: fill in the operator that introduces the counter and the function that gets a slice's length.
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About this theme
Go has one loop keyword: for. Three shapes:
for i := 0; i < n; i++ { ... }— classic.for cond { ... }— while-style.for { ... }— infinite, exit viabreakorreturn.
No while, no do. continue, break, and labelled breaks behave as you'd expect. The range form is its own theme (next module).