Struct TemplateEngine 

pub struct TemplateEngine {
    pub var_start: String,
    pub var_end: String,
    pub allow_missing: bool,
}

A simple but flexible template engine

Fields

var_start: String

Variable delimiter start (default: “{”)

var_end: String

Variable delimiter end (default: “}”)

allow_missing: bool

Whether to allow missing variables (replaces with empty string)

Implementations

impl TemplateEngine

pub fn new() -> Self

Create a new template engine

pub fn lenient() -> Self

Create a lenient template engine that allows missing variables

pub fn render( &self, template: &str, variables: &HashMap<String, String>, ) -> LangExtractResult<String>

Render a template with variables

pub fn extract_variables(&self, template: &str) -> Vec<String>

Extract all variable names from a template

pub fn validate( &self, template: &str, variables: &HashMap<String, String>, ) -> LangExtractResult<()>

Validate that all required variables are present

Trait Implementations

impl Clone for TemplateEngine

fn clone(&self) -> TemplateEngine

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for TemplateEngine

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for TemplateEngine

fn default() -> Self

Returns the “default value” for a type.