babbage.util — babbage 0.1.0

-!> clj macro

(-!> a)

(-!> a b)

(-!> a b & cs)

Equivalent to ->, except an intermediate nil value triggers an exception.

circular? clj

(circular? has-requires depmap)

defnmeta clj macro

(defnmeta name doc-string? attr-map? [params*] prepost-map? body)

(defnmeta name doc-string? attr-map? ([params*] prepost-map? body) + attr-map?)

dependent? clj

(dependent? o)

dfs clj

(dfs f seen ancestors depmap)

fnmeta clj macro

(fnmeta meta & sigs)

group-deps clj

(group-deps already-grouped dependent)

layers clj

(layers nodes)

Given a DAG consisting of seq of nodes (represented as maps with a label under the :provides key and outgoing edges under the :requires key), return a seq of seqs of nodes s.t. the first element contains the nodes with no incoming edges, the second contains the nodes with incoming edges from the first, etc.

Throws exceptions if a node :requires a nonexistent node or in the case of circular dependencies.

layers-and-required clj

(layers-and-required nodes)

maybe-throw-error clj

(maybe-throw-error a-str a-val)

still-required clj

(still-required independent dependent)

stringify clj

(stringify x)

Returns a string, writing out 'nil' if nil.

transform-group clj

(transform-group group)