Rell Stdlib
Rell Docgen 0.16.7
    FUNCTION

    require_not_empty

    Rell Stdlib / Rell Stdlib / [root]
    pure function require_not_empty<T>(value: list<T>?, [message: text]): list<T>

    Asserts that a list is non-null and non-empty.

    Parameters

    • value — the list to be checked.
    • message — the message for the exception to be thrown if the list is null or empty

    Returns

    the passed value, but with type cast from list<T>? to list<T>

    Throws

    • exception — if the provided list is null or empty

    Since

    0.9.0

    pure function require_not_empty<T>(value: set<T>?, [message: text]): set<T>

    Asserts that a set is non-null and non-empty.

    Parameters

    • value — the set to be checked
    • message — the message for the exception to be thrown if the set is null or empty

    Returns

    the passed value, but with type cast from set<T>? to set<T>

    Throws

    • exception — if the provided set is null or empty

    Since

    0.9.0

    pure function require_not_empty<K, V>(value: map<K, V>?, [message: text]): map<K, V>

    Asserts that a map is non-null and non-empty.

    Parameters

    • value — the map to be checked
    • message — the message for the exception to be thrown if the map is null or empty

    Returns

    the passed value, but with type cast from map<K,V>? to map<K,V>

    Throws

    • exception — if the provided map is null or empty

    Since

    0.9.0

    pure function require_not_empty<T>(value: T?, [message: text]): T

    Asserts that a value is non-null.

    Parameters

    • value — the nullable value to be checked
    • message — the message for the exception to be thrown if the value is null

    Returns

    the passed value, but with type cast from T? to T

    Throws

    • exception — if the provided value is null

    Since

    0.9.0

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