class

Template::Interpolation

Constants

VARIABLE_PATTERN = /\$\$|\$\{([a-zA-Z_][a-zA-Z0-9_]*)\}/

expand(variables : Hash(String, String)) : self

Expands variable cross-references using topological sort. Raises Craph::CycleError if any circular references are detected.

interpolate(template : String) : String

Replaces ${VAR} references in template with their values. Undefined variables are left as-is; $$ is escaped to a single $.

interpolate_all(templates : Array(String)) : Array(String)

Interpolates every string in templates. Returns a new array.

variables