Struct Builder 

pub struct Builder { /* private fields */ }

Fluent builder for constructing token model schemas.

Implementations

impl Builder

pub fn new(name: &str) -> Self

Creates a new schema builder with the given name.

pub fn version(self, v: &str) -> Self

Sets the schema version.

pub fn data(self, id: &str, typ: &str) -> Self

Adds a data state.

pub fn token(self, id: &str, initial: Option<i64>) -> Self

Adds a token-counting state.

pub fn exported(self) -> Self

Marks the current state as exported.

pub fn initial(self, value: i64) -> Self

Sets the initial value for the current state.

pub fn action(self, id: &str) -> Self

Adds an action.

pub fn guard(self, expr: &str) -> Self

Sets the guard expression for the current action.

pub fn flow(self, source: &str, target: &str) -> Self

Adds an arc from source to target.

pub fn arc(self, source: &str, target: &str) -> Self

Alias for flow.

pub fn keys(self, keys: &[&str]) -> Self

Sets the map access keys for the current arc.

pub fn value(self, v: &str) -> Self

Sets the value binding name for the current arc.

pub fn constraint(self, id: &str, expr: &str) -> Self

Adds a constraint.

pub fn ast(&self) -> &SchemaNode

Returns the underlying AST node.

pub fn schema(self) -> Result<Schema, String>

Builds and returns the tokenmodel Schema.

pub fn must_schema(self) -> Schema

Builds and returns the tokenmodel Schema. Panics on error.

pub fn to_string(&self) -> String

Generates the S-expression DSL representation.