Language Features

At the moment, the following sections describe only those language features that are New or Enhanced relative to the Extended APL Standard, or that deserve special comment.

• Syntax
  • Strand Assignment
  • Modify Assignment
  • Modify Strand Assignment
  • Function/Operator Assignment
  • Sink
• Primitive functions
  • Bracket Indexing
  • Index Generator
  • Index Of
  • Matrix Inverse/Divide
• Primitive operators
  • Axis (f[X], f op1[X], f op2[X]g)
  • Composition (f∘g, f∘R, L∘g)
  • Null (f⊙)
  • Rank (f⍤R)
  • Rank with Axis (f⍥[X])
• System Functions and Variables