Support multiple fields to id

[wcampbell0x2a]

• Add use of multiple id's from ctx in enums by expanding the match
  statement to tuples

[wcampbell0x2a]

deku::rest is currently not expanded for ctx, not sure how to fix this.

Never-mind, this doesn't work considering DekuWrite.

error[E0425]: cannot find value `__deku_rest` in this scope
  --> examples/enums.rs:20:22
   |
20 |         #[deku(ctx = "*my_id, deku::rest.len()")]
   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope

[github-actions]

Benchmark for 45ad68a

Click to view benchmark

Test	Base	PR	%
deku_read_bits	831.3±10.01ns	828.5±14.65ns	-0.34%
deku_read_byte	23.9±0.51ns	24.0±0.43ns	+0.42%
deku_read_enum	39.3±0.72ns	40.2±0.51ns	+2.29%
deku_read_vec	1946.1±43.63ns	1925.7±48.50ns	-1.05%
deku_read_vec_perf	1954.7±35.82ns	1958.0±41.23ns	+0.17%
deku_write_bits	152.7±3.12ns	153.5±4.62ns	+0.52%
deku_write_byte	82.5±1.61ns	82.9±2.32ns	+0.48%
deku_write_enum	139.9±3.53ns	141.3±2.08ns	+1.00%
deku_write_vec	6.3±0.14µs	6.3±0.15µs	0.00%
deku_write_vec_perf	6.4±0.19µs	6.3±0.11µs	-1.56%

[github-actions]

Benchmark for f7ed986

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Test	Base	PR	%
deku_read_bits	625.2±0.54ns	624.4±1.65ns	-0.13%
deku_read_byte	18.1±0.13ns	17.9±0.09ns	-1.10%
deku_read_enum	31.1±0.55ns	31.6±0.25ns	+1.61%
deku_read_vec	1460.7±8.40ns	1434.3±7.27ns	-1.81%
deku_read_vec_perf	1441.4±8.92ns	1445.3±6.40ns	+0.27%
deku_write_bits	106.6±0.21ns	106.5±0.20ns	-0.09%
deku_write_byte	62.8±0.29ns	62.8±0.22ns	0.00%
deku_write_enum	108.2±0.43ns	108.8±0.84ns	+0.55%
deku_write_vec	5.1±0.03µs	5.1±0.03µs	0.00%
deku_write_vec_perf	5.2±0.01µs	5.0±0.01µs	-3.85%

[github-actions]

Benchmark for c778eed

Click to view benchmark

Test	Base	PR	%
deku_read_bits	624.2±0.51ns	624.8±0.51ns	+0.10%
deku_read_byte	18.0±0.07ns	18.1±0.13ns	+0.56%
deku_read_enum	31.1±0.26ns	31.3±0.34ns	+0.64%
deku_read_vec	1439.2±7.06ns	1463.3±12.55ns	+1.67%
deku_read_vec_perf	1444.4±7.61ns	1441.1±7.08ns	-0.23%
deku_write_bits	106.5±0.26ns	107.1±2.41ns	+0.56%
deku_write_byte	62.7±0.28ns	62.8±0.27ns	+0.16%
deku_write_enum	108.3±0.58ns	108.5±0.42ns	+0.18%
deku_write_vec	5.1±0.03µs	5.1±0.01µs	0.00%
deku_write_vec_perf	5.3±0.03µs	5.0±0.01µs	-5.66%

[sharksforarms]

We might want to duplicate the test? (one tuple, one non-tuple)

[github-actions]

Benchmark for ae7d5c9

Click to view benchmark

Test	Base	PR	%
deku_read_bits	622.2±0.57ns	622.3±3.69ns	+0.02%
deku_read_byte	17.8±0.08ns	17.7±0.09ns	-0.56%
deku_read_enum	31.9±0.20ns	31.4±0.20ns	-1.57%
deku_read_vec	1442.2±7.92ns	1456.8±8.35ns	+1.01%
deku_read_vec_perf	1456.0±7.00ns	1450.8±9.36ns	-0.36%
deku_write_bits	110.4±0.44ns	110.1±0.46ns	-0.27%
deku_write_byte	68.4±0.29ns	67.6±1.07ns	-1.17%
deku_write_enum	111.7±0.44ns	113.4±0.80ns	+1.52%
deku_write_vec	5.2±0.01µs	5.2±0.01µs	0.00%
deku_write_vec_perf	5.4±0.02µs	5.2±0.01µs	-3.70%

[sharksforarms]

Thanks! 🙏