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Functions

This section describes introspection of functions.

Introspection of the schema::Function:

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with module schema
select ObjectType {
    name,
    links: {
        name,
    },
    properties: {
        name,
    }
}
filter .name = 'schema::Function';
{
    Object {
        name: 'schema::Function',
        links: {
            Object { name: '__type__' },
            Object { name: 'annotations' },
            Object { name: 'params' },
            Object { name: 'return_type' }
        },
        properties: {
            Object { name: 'id' },
            Object { name: 'name' },
            Object { name: 'return_typemod' }
        }
    }
}

Since params are quite important to functions, here’s their structure:

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with module schema
select ObjectType {
    name,
    links: {
        name,
    },
    properties: {
        name,
    }
}
filter .name = 'schema::Parameter';
{
    Object {
        name: 'schema::Parameter',
        links: {
            Object { name: '__type__' },
            Object { name: 'type' }
        },
        properties: {
            Object { name: 'default' },
            Object { name: 'id' },
            Object { name: 'kind' },
            Object { name: 'name' },
            Object { name: 'num' },
            Object { name: 'typemod' }
        }
    }
}

Introspection of the built-in count():

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with module schema
select `Function` {
    name,
    annotations: { name, @value },
    params: {
        kind,
        name,
        num,
        typemod,
        type: { name },
        default,
    },
    return_typemod,
    return_type: { name },
}
filter .name = 'std::count';
{
    Object {
        name: 'std::count',
        annotations: {},
        params: {
            Object {
                kind: 'PositionalParam',
                name: 's',
                num: 0,
                typemod: 'SetOfType',
                type: Object { name: 'anytype' },
                default: {}
            }
        },
        return_typemod: 'SingletonType',
        return_type: Object { name: 'std::int64' }
    }
}
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