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Fuzion • Idioms • Idiom # 196: Pass a sub-array

Idiom # 196: Pass a sub-array

See programming-idioms.org:

Code

# fuzion arrays are immutable, we need to use marray instead

foo (a marray<i32>, i i32) unit is
  a[i] := 42

a.indices & (i -> !(i%%2)) | (i -> foo a i)

What are effects?

Running Example

ex196 is

  foo (a marray i32, i i32) unit is
    a[i] := 42

  a := (marray i32).type.new 10 0
  a.indices | (i -> a[i] := i)

  say a

  a.indices & (i -> !(i%%2)) | (i -> foo a i)

  say a

What are effects?

next: NYI: Idiom # 197: Get a list of lines from a file