Collection operation examples

Use these examples when a program needs a particular collection operation. Start with Collections, ownership, and borrowing for ownership and borrowing.

• Construct collection literals
• Reserve collection capacity
• Copy while preserving the source
• Take dictionary snapshots
• Remove set members
• Reverse a list
• Sort a list and exchange elements
• Clear and reuse storage
• Extend a list
• Update dictionaries
• Update sets
• Compare sets
• Combine sets
• Filter sets in place
• Search lists
• Slice lists
• Use optional collection results
• Choose numeric types in expressions
• Observe Unicode string values
• Combine different error types