ACL GETUSER Command Initial Implementation

[kevinmichaelbowersox]

This PR provides the implementation of the ACL GETUSER command which is used to obtain ACL rules for a specified user. The change is accompanied by tests for the command.

The changeset includes:

• ACL GETUSER command implementation
• Unit Tests and ACL Test
• Documentation

This resolves #958 where further details can be found.

This is a follow-on to the following PR which was closed in favor of this PR which has a cleaner commit history: #959

[kevinmichaelbowersox]

PR Benchmark (SHA 93188a1)

Method	Params	Mean	Error	StdDev	Allocated
Set	ACL	14.17 us	0.025 us	0.022 us	-
SetEx	ACL	19.72 us	0.052 us	0.046 us	-
SetNx	ACL	21.15 us	0.071 us	0.066 us	-
SetXx	ACL	23.51 us	0.044 us	0.039 us	-
GetFound	ACL	16.79 us	0.034 us	0.030 us	-
GetNotFound	ACL	10.94 us	0.017 us	0.015 us	-
Increment	ACL	22.23 us	0.066 us	0.055 us	-
Decrement	ACL	21.27 us	0.065 us	0.061 us	-
IncrementBy	ACL	26.52 us	0.044 us	0.035 us	-
DecrementBy	ACL	26.41 us	0.115 us	0.108 us	-
Set	AOF	19.50 us	0.113 us	0.100 us	-
SetEx	AOF	28.04 us	0.098 us	0.092 us	-
SetNx	AOF	26.11 us	0.063 us	0.056 us	-
SetXx	AOF	28.42 us	0.167 us	0.148 us	-
GetFound	AOF	17.64 us	0.022 us	0.019 us	-
GetNotFound	AOF	11.02 us	0.049 us	0.046 us	-
Increment	AOF	26.58 us	0.050 us	0.045 us	-
Decrement	AOF	27.87 us	0.154 us	0.144 us	-
IncrementBy	AOF	30.32 us	0.184 us	0.172 us	-
DecrementBy	AOF	30.99 us	0.227 us	0.213 us	-
Set	None	13.84 us	0.057 us	0.051 us	-
SetEx	None	20.25 us	0.093 us	0.087 us	-
SetNx	None	21.23 us	0.058 us	0.051 us	-
SetXx	None	21.82 us	0.093 us	0.077 us	-
GetFound	None	15.56 us	0.081 us	0.072 us	-
GetNotFound	None	10.95 us	0.035 us	0.033 us	-
Increment	None	21.66 us	0.057 us	0.051 us	-
Decrement	None	22.28 us	0.062 us	0.058 us	-
IncrementBy	None	25.89 us	0.201 us	0.188 us	-
DecrementBy	None	27.06 us	0.112 us	0.104 us	-

Main Benchmark (SHA 47f74c7)

Method	Params	Mean	Error	StdDev	Allocated
Set	ACL	14.99 us	0.047 us	0.044 us	-
SetEx	ACL	20.07 us	0.079 us	0.070 us	-
SetNx	ACL	20.98 us	0.065 us	0.058 us	-
SetXx	ACL	22.61 us	0.047 us	0.040 us	-
GetFound	ACL	15.59 us	0.032 us	0.028 us	-
GetNotFound	ACL	10.85 us	0.029 us	0.027 us	-
Increment	ACL	21.58 us	0.050 us	0.044 us	-
Decrement	ACL	21.25 us	0.049 us	0.044 us	-
IncrementBy	ACL	24.85 us	0.204 us	0.191 us	-
DecrementBy	ACL	29.36 us	0.108 us	0.101 us	-
Set	AOF	19.86 us	0.107 us	0.100 us	-
SetEx	AOF	27.55 us	0.118 us	0.104 us	-
SetNx	AOF	27.95 us	0.165 us	0.146 us	-
SetXx	AOF	27.10 us	0.081 us	0.072 us	-
GetFound	AOF	17.56 us	0.047 us	0.039 us	-
GetNotFound	AOF	10.73 us	0.026 us	0.022 us	-
Increment	AOF	26.39 us	0.044 us	0.037 us	-
Decrement	AOF	26.91 us	0.061 us	0.057 us	-
IncrementBy	AOF	31.72 us	0.146 us	0.130 us	-
DecrementBy	AOF	31.86 us	0.402 us	0.376 us	-
Set	None	14.57 us	0.021 us	0.017 us	-
SetEx	None	19.89 us	0.027 us	0.023 us	-
SetNx	None	21.48 us	0.069 us	0.057 us	-
SetXx	None	22.44 us	0.061 us	0.054 us	-
GetFound	None	15.44 us	0.058 us	0.055 us	-
GetNotFound	None	11.65 us	0.079 us	0.070 us	-
Increment	None	21.95 us	0.053 us	0.047 us	-
Decrement	None	21.36 us	0.077 us	0.068 us	-
IncrementBy	None	26.16 us	0.095 us	0.089 us	-
DecrementBy	None	27.61 us	0.148 us	0.138 us	-

[prvyk]

It would be nice if the PR could also include the website (website/docs/commands/api-compatibility.md).

[kevinmichaelbowersox]

It would be nice if the PR could also include the website (website/docs/commands/api-compatibility.md).

@prvyk Thanks for pointing this out. I pushed a change with the docs. LMK what you think.

[prvyk]

Looks fine on first glance. Except I think Arity should be set to 3 not -3 ?

[kevinmichaelbowersox]

Looks fine on first glance. Except I think Arity should be set to 3 not -3 ?

@prvyk Nice catch! Thank you!