@palasimi/ipa-cluster/dist/dsl/scopes.d.ts

Cluster words with similar IPA transcriptions together

/**
 * Exception thrown by `Scope` when trying to resolve an undefined variable.
 */
export declare class NameError extends Error {
    constructor(message: string);
}
/**
 * Represents a scope of variable definitions.
 */
export declare class Scope<T> {
    names: Map<string, T>;
    outer: Scope<T> | null;
    constructor(outer?: Scope<T> | null);
    /**
     * Defines a variable in the present scope.
     * Redefining a variable name is an error.
     * Masking variables defined in outer scopes is not an error.
     * Returns `true` if there are no errors.
     */
    define(name: string, value: T): boolean;
    /**
     * Tries to resolve a variable name.
     * Throws a `NameError` if the variable is not defined.
     * Returns the value assigned to the variable.
     */
    resolve(name: string): T;
}
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