Provides a protocol, and some default implementations, for working with potentially asynchronous chains of execution.
Provides a protocol, and some default implementations, for working with potentially asynchronous chains of execution.
(-chain chainable continue)Calls continue (eventually) with the resolved value.
Calls continue (eventually) with the resolved value.
(chain x continue)If x satisfies Chain, calls continue with the
resolved value, once it resolves.
Returns nil.
If `x` satisfies `Chain`, calls `continue` with the resolved value, once it resolves. Returns `nil`.
(chain-all form & {:keys [mapper]})Walks the form x, waiting for anything that satisfies Chain
to resolve.
Returns a chainable, which resolves to x with all its inner
chainables resolved.
If an inner chainable resolves to an error? value, the resolved
value will be the first such value encountered instead of the
resolved x.
If mapper is given, each inner value of x will be passed
through it; allowing for substitution. If the value is a
chainable, then the resolved value will be passed.
Walks the form `x`, waiting for anything that satisfies `Chain` to resolve. Returns a chainable, which resolves to `x` with all its inner chainables resolved. If an inner chainable resolves to an `error?` value, the resolved value will be the first such value encountered instead of the resolved `x`. If `mapper` is given, each inner value of `x` will be passed through it; allowing for substitution. If the value is a chainable, then the resolved value will be passed.
(chainable f)Invokes f with a continue function. Returns
something that satisfies Chain. When continue
is called, the chainable will resolve to its argument.
Invokes `f` with a `continue` function. Returns something that satisfies `Chain`. When `continue` is called, the chainable will resolve to its argument.
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