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42 lines
941 B
Markdown
42 lines
941 B
Markdown
# codex-utils-template
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Small, strict string templating for prompt and text assets.
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Supported syntax:
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- `{{ name }}` placeholder interpolation
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- `{{{{` for a literal `{{`
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- `}}}}` for a literal `}}`
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The library is intentionally strict:
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- parsing fails on malformed placeholders
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- rendering fails on missing values
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- rendering fails on duplicate values
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- rendering fails on extra values not used by the template
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## Example
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```rust
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use codex_utils_template::Template;
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use codex_utils_template::render;
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let template = Template::parse(
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"Hello, {{ name }}.\nLiteral braces: {{{{ and }}}}.\nMode: {{ mode }}",
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)?;
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let rendered = template.render([
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("name", "Codex"),
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("mode", "strict"),
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])?;
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assert_eq!(
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rendered,
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"Hello, Codex.\nLiteral braces: {{ and }}.\nMode: strict"
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);
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let one_shot = render("Hi {{ who }}!", [("who", "there")])?;
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assert_eq!(one_shot, "Hi there!");
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# Ok::<(), Box<dyn std::error::Error>>(())
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```
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