Pure Programmer
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Sequence

L1

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In programming languages we have three ways to control the flow of statements: Sequence, Selection and Iteration. Sequence is the simplest and most basic flow control mechanism. It simply means that statements are executed sequentially in the order they appear in the program.

Sequence1.swift
#!/usr/bin/env swift;
import Foundation

func main() -> Void {
	var x:Int = 1
	print("x: " + String(x))
	x = 2
	print("x: " + String(x))
	x = 3
	print("x: " + String(x))
	exit(EXIT_SUCCESS)
}
main()
Output
$ swiftc Sequence1.swift -I . -L . -lUtils error: link command failed with exit code 1 (use -v to see invocation) ld: library not found for -lUtils clang: error: linker command failed with exit code 1 (use -v to see invocation)
swift

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