ZoKrates/zokrates_book/src/concepts/variables.md

Variables

Variables can have any name which does not start with a number. Underscores are not allowed in variable names. Variables are mutable, and always passed by value to functions.

Shadowing

Shadowing is not allowed.

{{#include ../../../zokrates_cli/examples/book/no_shadowing.zok}}

Scope

Function

Functions have their own scope

{{#include ../../../zokrates_cli/examples/book/function_scope.zok}}

For-loop

For-loops have their own scope

{{#include ../../../zokrates_cli/examples/book/for_scope.zok}}