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env-tools.alpha
build-configclj
(build-config spec)(build-config spec env)Builds a config from env according to spec.
A config is a possibly nested map with keyword keys and typed values, were
env is a flat map with string keys and string values.
If env is omitted, (System/getenv) is used. Otherwise the env has to
be prepared with prepare-env before calling build-config. It's important
that the prepared env keys are sequences of uppercase alphanumeric strings.
The resulting config reassembles the structure of the spec but doesn't
necessarily conform to the spec.
The following spec forms are supported:
keys- the resulting config will be a mapmulti-spec- the spec resulting from dispatching the multi-spec is usedcoll-of- all env keys starting with numerical parts are used. Numbers don't have to start with0nor have they be without gab. The collection is build by sorting available numbers.
Supported spec forms can be nested arbitrarily.
Builds a config from `env` according to `spec`.
A config is a possibly nested map with keyword keys and typed values, were
`env` is a flat map with string keys and string values.
If `env` is omitted, `(System/getenv)` is used. Otherwise the `env` has to
be prepared with `prepare-env` before calling `build-config`. It's important
that the prepared env keys are sequences of uppercase alphanumeric strings.
The resulting config reassembles the structure of the `spec` but doesn't
necessarily conform to the `spec`.
The following spec forms are supported:
* `keys` - the resulting config will be a map
* `multi-spec` - the spec resulting from dispatching the multi-spec is used
* `coll-of` - all env keys starting with numerical parts are used. Numbers
don't have to start with `0` nor have they be without gab. The
collection is build by sorting available numbers.
Supported spec forms can be nested arbitrarily.prepare-envclj
Transducer which splits string keys in kv-pairs by underscore.
Transducer which splits string keys in kv-pairs by underscore.
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