If, Else, While
Nim has many different control flow constructs, including the standard
whiles. However, Nim does not use an
else if construct like many languages, it uses a more condensed
When inside a loop,
continue can be used to skip the rest of the loop body and to begin the next iteration;
break can be used to immediately leave the loop body.
Along with its other uses, the
block statement can be used to create a label so that it’s possible to break out of nested loops.
import strutils, random randomize() let answer = random(10) + 1 while true: echo "I have a number from 1 to 10, what is it? " let guess = parseInt(stdin.readLine) if guess < answer: echo "Too low, try again" elif guess > answer: echo "Too high, try again" else: echo "Correct!" break block busyloops: while true: while true: break busyloops