Results for “Types & reliable control flow”
Small, practical examples. Search by task or narrow things down below.
Find what remains after division
TypeScript: Use the remainder operator to count items left after forming complete groups.
TypeScript✓ Tested
Flatten a single nesting level
TypeScript: flat defaults to a depth of one and creates a new array.
TypeScript✓ Tested
Format whole seconds as hours minutes and seconds
TypeScript: Use integer divisions and remainders for a nonnegative duration.
TypeScript✓ Tested
Generate a bounded integer range
TypeScript: Array.from supplies each output position to its mapping function.
TypeScript✓ Tested
Group records into map entries
TypeScript: Initialize an array for a missing Map key before appending its values.
TypeScript✓ Tested
Handle three possible outcomes
TypeScript: Check high, normal and low values with an ordered conditional chain.
TypeScript✓ Tested
Hide an element while keeping its space
CSS: Visibility hidden preserves layout geometry even though the element is not painted.
CSS✓ Tested
Implement a method on a struct
Implement a method on a struct in a complete Rust program using the standard library.
Rust✓ Tested
Increase spacing between words
CSS: Word-spacing adds to the font’s normal space width.
CSS✓ Tested
Inspect a value with a type switch
Inspect a value with a type switch using a complete Go program with explicit sample inputs.
Go✓ Tested
Inspect a value’s type
Inspect a value’s type using a complete Go program with explicit sample inputs.
Go✓ Tested
Inspect both successful and failed promise results
TypeScript: allSettled preserves input order and reports failures without rejecting the combined promise.
TypeScript✓ Tested