Trait State 

pub trait State {
    type Error;

    // Required methods
    fn ask_question(&mut self, question: SValue) -> Result<(), Self::Error>;
    fn last_answer(&mut self) -> Result<&str, Self::Error>;
    fn request_float_random(
        &mut self,
        range: RangeInclusive<f64>,
    ) -> Result<f64, Self::Error>;
    fn request_int_random(
        &mut self,
        range: RangeInclusive<i64>,
    ) -> Result<i64, Self::Error>;
    fn data_set_variable(
        &mut self,
        var_id: &Variable,
        value: SValue,
    ) -> Result<(), Self::Error>;
    fn data_read_variable(
        &mut self,
        var_id: &Variable,
    ) -> Result<&SValue, Self::Error>;
    fn write_output(&mut self, output_kind: OutputKind, message: SValue);
    fn data_list_contains_item(
        &mut self,
        list_id: &List,
        item: &SValue,
    ) -> Result<bool, Self::Error>;
    fn data_read_textual_list_repr(
        &mut self,
        list_id: &List,
    ) -> Result<SValue, Self::Error>;
    fn data_append_to_list(
        &mut self,
        list_id: &List,
        item: SValue,
    ) -> Result<(), Self::Error>;
    fn data_item_of_list(
        &mut self,
        list_id: &List,
        one_based_index: &SValue,
    ) -> Result<SValue, Self::Error>;
    fn data_item_num_of_list(
        &mut self,
        list_id: &List,
        item: &SValue,
    ) -> Result<i64, Self::Error>;
    fn data_length_of_list(
        &mut self,
        list_id: &List,
    ) -> Result<i64, Self::Error>;
    fn data_delete_of_list(
        &mut self,
        list_id: &List,
        one_based_index: &SValue,
    ) -> Result<(), Self::Error>;
    fn data_delete_all_of_list(
        &mut self,
        list_id: &List,
    ) -> Result<(), Self::Error>;
    fn data_insert_at_list(
        &mut self,
        list_id: &List,
        one_based_index: &SValue,
        item: SValue,
    ) -> Result<(), Self::Error>;
    fn data_replace_list_at(
        &mut self,
        list_id: &List,
        one_based_index: &SValue,
        item: SValue,
    ) -> Result<(), Self::Error>;

    // Provided methods
    fn set_statement_as_context(&mut self, _id: &Id) -> Result<(), Self::Error> { ... }
    fn request_random(
        &mut self,
        range: RangeInclusive<SNumber>,
    ) -> Result<SNumber, Self::Error> { ... }
    fn data_change_variable_by(
        &mut self,
        var_id: &Variable,
        by: SValue,
    ) -> Result<(), Self::Error> { ... }
    fn wait_for_secs(&mut self, _secs: SNumber) -> Result<(), Self::Error> { ... }
    fn notice_event_block_executed(
        &mut self,
        _event: &EventBlockKind,
        _block: &ARc<BlockWrapper>,
    ) -> Result<(), Self::Error> { ... }
    fn notice_proc_def_block_executed(
        &mut self,
        _def: &ProceduresDefinition,
        _block: &ARc<BlockWrapper>,
    ) -> Result<(), Self::Error> { ... }
    fn notice_proc_proto_block_executed(
        &mut self,
        _proto: &ProceduresPrototype,
        _block: &ARc<BlockWrapper>,
    ) -> Result<(), Self::Error> { ... }
}

Required Associated Types

type Error

Required Methods

fn ask_question(&mut self, question: SValue) -> Result<(), Self::Error>

fn last_answer(&mut self) -> Result<&str, Self::Error>

fn request_float_random( &mut self, range: RangeInclusive<f64>, ) -> Result<f64, Self::Error>

fn request_int_random( &mut self, range: RangeInclusive<i64>, ) -> Result<i64, Self::Error>

fn data_set_variable( &mut self, var_id: &Variable, value: SValue, ) -> Result<(), Self::Error>

fn data_read_variable( &mut self, var_id: &Variable, ) -> Result<&SValue, Self::Error>

fn write_output(&mut self, output_kind: OutputKind, message: SValue)

fn data_list_contains_item( &mut self, list_id: &List, item: &SValue, ) -> Result<bool, Self::Error>

fn data_read_textual_list_repr( &mut self, list_id: &List, ) -> Result<SValue, Self::Error>

fn data_append_to_list( &mut self, list_id: &List, item: SValue, ) -> Result<(), Self::Error>

fn data_item_of_list( &mut self, list_id: &List, one_based_index: &SValue, ) -> Result<SValue, Self::Error>

fn data_item_num_of_list( &mut self, list_id: &List, item: &SValue, ) -> Result<i64, Self::Error>

fn data_length_of_list(&mut self, list_id: &List) -> Result<i64, Self::Error>

fn data_delete_of_list( &mut self, list_id: &List, one_based_index: &SValue, ) -> Result<(), Self::Error>

fn data_delete_all_of_list(&mut self, list_id: &List) -> Result<(), Self::Error>

fn data_insert_at_list( &mut self, list_id: &List, one_based_index: &SValue, item: SValue, ) -> Result<(), Self::Error>

fn data_replace_list_at( &mut self, list_id: &List, one_based_index: &SValue, item: SValue, ) -> Result<(), Self::Error>

Provided Methods

fn set_statement_as_context(&mut self, _id: &Id) -> Result<(), Self::Error>

fn request_random( &mut self, range: RangeInclusive<SNumber>, ) -> Result<SNumber, Self::Error>

fn data_change_variable_by( &mut self, var_id: &Variable, by: SValue, ) -> Result<(), Self::Error>

fn wait_for_secs(&mut self, _secs: SNumber) -> Result<(), Self::Error>

fn notice_event_block_executed( &mut self, _event: &EventBlockKind, _block: &ARc<BlockWrapper>, ) -> Result<(), Self::Error>

fn notice_proc_def_block_executed( &mut self, _def: &ProceduresDefinition, _block: &ARc<BlockWrapper>, ) -> Result<(), Self::Error>

fn notice_proc_proto_block_executed( &mut self, _proto: &ProceduresPrototype, _block: &ARc<BlockWrapper>, ) -> Result<(), Self::Error>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl State for DefaultState

type Error = DefaultStateError