A simple Rust library for variables substitution.

This library provide helper functions for string manipulation, taking values from a context environment map and substituting all matching placeholders.

Its name and logic is similar to the envsubst GNU utility, but this only supports braces-delimited variables (i.e. ${foo}) and takes replacement values from an explicit map of variables.

Licensed under either of

• MIT license - http://opensource.org/licenses/MIT
• Apache License, Version 2.0 - http://www.apache.org/licenses/LICENSE-2.0

at your option.