Collections (in particular, hashmaps) #249

Job	Run time
determine_asy_version	7s
lint-non-gui-files / check-if-non-gui-py-files-changed	8s
linux-sanity / build-and-test-asy-compact-zero	3m 21s
build-asy-linux / configure-linux-release-x64	41s
build-asy-windows / configure-windows-msvc-x64	11m 4s
build-gui / build-gui-windows	33s
build-gui / build-gui-linux	16s
lint-non-gui-files / lint-python-files	0s
build-asy-linux / build-linux-release-x64	2m 45s
build-asy-linux / linux-asy-docgen	3m 32s
build-asy-linux / package-asymptote-artifacts	16s
test-asy-linux / test-x64-cxxtests	45s
test-asy-linux / test-x64-asy-tests	36s
build-asy-windows / build-windows-msvc-x64	17m 40s
test-asy-windows / test-windows-msvc-x64-cxxtests	31s
package-asy-install-file / package-asy-installer	43s
test-asy-windows / test-windows-msvc-x64-asy-tests	1m 50s
precheck-pass	1s
	44m 49s

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