Add user-defined var generators

[vearutop]

No description provided.

[github-actions]

Lines Of Code

Language	Files	Lines	Code	Comments	Blanks	Complexity	Bytes
Gherkin Specification	1	47 (+8)	27 (+4)	14 (+2)	6 (+2)	1	1.8K (+306B)
Go	2	252 (+43)	179 (+32)	20 (+2)	53 (+9)	50 (+12)	6.1K (+869B)
Go (test)	2	52 (+3)	39 (+3)	2	11	3	1.2K (+80B)
Markdown	1	104 (+11)	85 (+9)	0	19 (+2)	0	3.7K (+421B)

[github-actions]

Go API Changes

# github.com/godogx/vars
## incompatible changes
Steps: old is comparable, new is not
## compatible changes
(*Steps).AddGenerator: added

# summary
Inferred base version: v0.1.3
Suggested version: v0.2.0

[github-actions]

Unit Test Coverage

total: (statements) 78.2%
changed lines: (statements) 72.7%, coverage is less than 90.0%, consider testing the changes more thoroughly

Coverage of changed lines

File	Function	Coverage
Total		72.7%
steps.go		72.7%
steps.go:35	AddGenerator	100.0%
steps.go:44	Register	100.0%
steps.go:115	gen	87.1%
steps.go:91	varIsSet	64.3%
steps.go:155	varsAreSet	64.3%
steps.go:135	varEquals	0.0%

Coverage diff with base branch

File	Function	Base Coverage	Current Coverage
Total		78.0%	78.2% (+0.2%)
github.com/godogx/vars/steps.go	AddGenerator	no function	100.0%
github.com/godogx/vars/steps.go	gen	no function	80.0%
github.com/godogx/vars/steps.go	varIsSet	77.8%	75.0% (-2.8%)
github.com/godogx/vars/steps.go	varsAreSet	78.6%	76.5% (-2.1%)