Results for “type checking”
Small, practical examples. Search by task or narrow things down below.
Convert known numeric text to an integer
TypeScript: Convert a trusted literal to an integer before adding. Validate external input before converting it.
TypeScript✓ Tested
Copy a range without changing the source
TypeScript: Array.slice returns a shallow copy of the selected half-open range.
TypeScript✓ Tested
Copy nested structured data independently
TypeScript: structuredClone creates an independent copy of supported structured values.
TypeScript✓ Tested
Count days between UTC-midnight dates
TypeScript: A day is exactly 86400000 milliseconds for these explicitly UTC-midnight inputs.
TypeScript✓ Tested
Count the items in a collection
TypeScript: Read the collection’s length instead of hard-coding the loop limit.
TypeScript✓ Tested
Count Unicode code points in a string
TypeScript: String iteration combines surrogate pairs, unlike the UTF-16 length property.
TypeScript✓ Tested
Create a modified copy of an immutable record
C#: A with expression creates a shallow copy with selected changed properties.
C#✓ Tested
Create a STRICT table
Require values compatible with declared column types.
STRICT✓ Tested
Create independent rows in a matrix
TypeScript: Use a mapping function to create each row instead of sharing one array with fill.
TypeScript✓ Tested
Decode a percent-encoded URL component
TypeScript: decodeURIComponent reverses percent encoding and throws for malformed sequences.
TypeScript✓ Tested
Define behavior with a trait
Define behavior with a trait in a complete Rust program using the standard library.
Rust✓ Tested
Define related integer constants
Define related integer constants using a complete Go program with explicit sample inputs.
Go✓ Tested