Struct langchain_rust::prompt::MessageFormatterStruct

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pub struct MessageFormatterStruct { /* private fields */ }

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impl MessageFormatterStruct

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pub fn new() -> Self

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pub fn add_message(&mut self, message: Message)

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pub fn add_template(&mut self, template: Box<dyn MessageFormatter>)

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pub fn add_messages_placeholder(&mut self, placeholder: &str)

Trait Implementations§

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impl FormatPrompter for MessageFormatterStruct

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fn format_prompt( &self, input_variables: PromptArgs ) -> Result<PromptValue, PromptError>

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fn get_input_variables(&self) -> Vec<String>

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impl MessageFormatter for MessageFormatterStruct

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fn format_messages( &self, input_variables: PromptArgs ) -> Result<Vec<Message>, PromptError>

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fn input_variables(&self) -> Vec<String>

Returns a list of required input variable names for the template.

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