state-flow.core
as-step-fnclj
(as-step-fn flow)Transform a flow step into a state transition function
Transform a flow step into a state transition function
current-descriptionclj
(current-description)Returns a flow that returns the description as of the point of execution.
For internal use. Subject to change.
Returns a flow that returns the description as of the point of execution. For internal use. Subject to change.
flow*clj
(flow* {:keys [description caller-meta]} & flows)modify-metaclj
(modify-meta f & args)Returns a monad that will apply vary-meta to the world.
For internal use. Subject to change.
Returns a monad that will apply vary-meta to the world. For internal use. Subject to change.
pop-metaclj
(pop-meta)push-metaclj
(push-meta description {:keys [line]})Returns a flow that will modify the state metadata.
For internal use. Subject to change.
Returns a flow that will modify the state metadata. For internal use. Subject to change.
runclj
(run flow)(run flow initial-state)Given an initial-state (default {}), runs a flow and returns a pair of the result of the last step in the flow and the end state.
Given an initial-state (default {}), runs a flow and returns a pair of
the result of the last step in the flow and the end state.run!clj
(run! flow)(run! flow initial-state)Like run, but prints a log and throws an error when the flow fails with an exception
Like run, but prints a log and throws an error when the flow fails with an exception
run*clj
(run* {:keys [init cleanup runner]
:or {init (constantly {}) cleanup identity runner run!}}
flow)Run a flow with specified parameters
Receives optional parameter maps
init, a function with no arguments that returns the initial state.
cleanup, function receiving the final state to perform cleanup if necessary
runner, function that will receive a flow and an initial state and execute the flow
Run a flow with specified parameters Receives optional parameter maps `init`, a function with no arguments that returns the initial state. `cleanup`, function receiving the final state to perform cleanup if necessary `runner`, function that will receive a flow and an initial state and execute the flow
top-level-descriptionclj
(top-level-description s)Returns the description passed to the top level flow (or the stringified symbol passed to defflow).
Returns the description passed to the top level flow (or the stringified symbol passed to defflow).
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