go1.21

Short overview of the key features of Go 1.21

Contents

• Overview of 3 new packages: maps, slices, and cmp.
• Overview of the new syntax: clear, min and max functions.

Press view to see the specific code or run to run it in the playground.

• min and max: view, run.
• clear: view, run.
• cmp: view, run.
• Maps
  
  • Return a copy of a map — Clone: view, run.
  • Copy all key-value pairs with overwriting — Copy: view, run.
  • Delete specific key-value pairs — DeleteFunc: view, run.
  • Understand if maps are equal — Equal: view, run
• Slices
  
  • Binary search — BinarySearch: view, run. BinarySearchFunc: view, run.
  • Remove unused capacity — Clip: view, run.
  • Return a copy of a slice — Clone: view, run.
  • Remove all duplicate values — Compact: view, run. CompactFunc: view, run.
  • Compare elements of 2 slices — Compare: view, run.
  • Understand if value is present in a slice — Contains: view, run. ContainsFunc: view, run.
  • Remove elements from slice — Delete: view, run.
  • Understand if 2 slices are equal — Equal: view, run.
  • Add capacity to the slice — Grow: view, run.
  • Return an index of provided element — Index: view, run.
  • Insert values into the slice — Insert: view, run.
  • Understand if function is sorted — IsSorted: view, run.
  • Find minimum or maximum value in a slice — Min & Max (different functions): view, run.
  • Replace elements in a slice — Replace: view, run.
  • Reverse a slice — Reverse: view, run.
  • Sort slice in ascending order — Sort: view, run.