pub fn map20<'a, F, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, NewDecodesTo>(
func: F,
_1: BoxDecoder<'a, _1>,
_2: BoxDecoder<'a, _2>,
_3: BoxDecoder<'a, _3>,
_4: BoxDecoder<'a, _4>,
_5: BoxDecoder<'a, _5>,
_6: BoxDecoder<'a, _6>,
_7: BoxDecoder<'a, _7>,
_8: BoxDecoder<'a, _8>,
_9: BoxDecoder<'a, _9>,
_10: BoxDecoder<'a, _10>,
_11: BoxDecoder<'a, _11>,
_12: BoxDecoder<'a, _12>,
_13: BoxDecoder<'a, _13>,
_14: BoxDecoder<'a, _14>,
_15: BoxDecoder<'a, _15>,
_16: BoxDecoder<'a, _16>,
_17: BoxDecoder<'a, _17>,
_18: BoxDecoder<'a, _18>,
_19: BoxDecoder<'a, _19>,
_20: BoxDecoder<'a, _20>
) -> BoxDecoder<'a, NewDecodesTo> where
F: Fn(_1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, _13, _14, _15, _16, _17, _18, _19, _20) -> NewDecodesTo + 'a + Send + Sync,
NewDecodesTo: 'a,
_1: 'a,
_2: 'a,
_3: 'a,
_4: 'a,
_5: 'a,
_6: 'a,
_7: 'a,
_8: 'a,
_9: 'a,
_10: 'a,
_11: 'a,
_12: 'a,
_13: 'a,
_14: 'a,
_15: 'a,
_16: 'a,
_17: 'a,
_18: 'a,
_19: 'a,
_20: 'a,