Struct TemplateLibrary 

pub struct TemplateLibrary { /* private fields */ }

A named store of PromptTemplates.

Example

use tokio_prompt_orchestrator::template::{
    TemplateContext, TemplateLibrary, TemplateValue,
};

let mut lib = TemplateLibrary::new();
lib.register("greeting", "Hello, {{name}}!").unwrap();

let mut ctx = TemplateContext::new();
ctx.set("name", TemplateValue::Text("Alice".to_string()));

let rendered = lib.render("greeting", &ctx).unwrap();
assert_eq!(rendered, "Hello, Alice!");

Implementations

impl TemplateLibrary

pub fn new() -> Self

Create an empty library.

pub fn register( &mut self, name: impl Into<String>, template: impl AsRef<str>, ) -> Result<(), TemplateError>

Register a template under name.

Errors

Returns a TemplateError if the template string cannot be parsed.

pub fn register_template( &mut self, name: impl Into<String>, template: PromptTemplate, )

Register a pre-compiled PromptTemplate under name.

pub fn render( &self, name: &str, ctx: &TemplateContext, ) -> Result<String, TemplateError>

Render the named template with the given context.

Errors

• TemplateError::MissingVariable if name is not registered.
• Any error from PromptTemplate::render.

pub fn list(&self) -> Vec<&str>

Return the names of all registered templates.

pub fn contains(&self, name: &str) -> bool

Return true if a template with the given name is registered.

Trait Implementations

impl Debug for TemplateLibrary

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

Formats the value using the given formatter.

impl Default for TemplateLibrary

fn default() -> TemplateLibrary

Returns the “default value” for a type.