Fuzion • Idioms • Idiom # 15: Pick uniformly a random integer in [a..b]

Idiom # 15: Pick uniformly a random integer in [a..b]

Code

pick(a, b i32) => a + random.next_i32 b-a+1

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pick(a, b i32) => a + random.next_i32 b-a+1
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

Running Example

pick(a, b i32) => a + random.next_i32 b-a+1

for i in 1..10
    a := i * 3
    b := i * 4
    x := pick a b
do
  say "$x {if a <= x <= b then "ok" else "not ok!"}"

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pick(a, b i32) => a + random.next_i32 b-a+1
for i in 1..10
    a := i * 3
    b := i * 4
    x := pick a b
do
  say "$x {if a <= x <= b then "ok" else "not ok!"}"
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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What are effects?

last changed: 2024-07-01

next: Idiom # 16: Depth-first traversing of a binary tree