8000 Add expr macro as simplified version of spy>> by athos · Pull Request #21 · athos/Postmortem · GitHub
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Add expr macro as simplified version of spy>> #21

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Add expr macro as simplified version of spy>> #21

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10 changes: 8 additions & 2 deletions src/postmortem/core.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -231,7 +231,6 @@
([session key xform x] (spy> x session key xform)))

(macros/deftime

(defmacro locals
"Creates and returns a local environment map at the call site.
A local environment map is a map of keyword representing each local name
Expand All @@ -255,6 +254,13 @@
([session key xform]
`(spy> (locals) ~session ~key ~xform)))

(defmacro expr
"A simplified version of spy>>. Same as (spy>> '<expr> <expr>)."
{:added "0.5.3"}
([e] `(expr ~e identity))
([e xform] `(expr (current-session) ~e ~xform))
([session e xform] `(spy> ~e ~session '~e ~xform)))

)

(defn make-logger
Expand All @@ -277,7 +283,7 @@

(defn make-multi-logger
"Creates a multi logger.

A multi logger is a variant of the simple logger. If called with
two arguments, it acts like `(spy>> <arg1> <arg2>)` on the implicit
session. If called with one argument, it acts like (log-for <arg>)`.
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10 changes: 10 additions & 0 deletions test/postmortem/core_test.cljc
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Expand Up @@ -87,6 +87,16 @@
(is (= {} (pm/logs)))
(is (= {} (pm/stats))))

(deftest ^:eftest/synchronized expr-test
(is (= 15
(loop [i 5, sum 0]
(if (zero? i)
sum
(recur (dec i) (pm/expr (+ i sum)))))))
(is (= [5 9 12 14 15]
(pm/log-for '(+ i sum))))
(pm/reset!))

;; Assert this function definition compiles
;; cf. https://github.com/athos/postmortem/issues/2
(defn regression-2 [^long x]
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