Collections (in particular, hashmaps) #228

Job	Run time
determine_asy_version	5s
linux-sanity / build-and-test-asy-compact-zero	3m 8s
lint-non-gui-files / check-if-non-gui-py-files-changed	8s
build-gui / build-gui-windows	50s
build-asy-linux / configure-linux-release-x64	44s
build-gui / build-gui-linux	13s
build-asy-windows / configure-windows-msvc-x64	2m 56s
lint-non-gui-files / lint-python-files	0s
build-asy-linux / build-linux-release-x64	3m 18s
build-asy-windows / build-windows-msvc-x64	7m 19s
build-asy-linux / linux-asy-docgen	0s
build-asy-linux / package-asymptote-artifacts	0s
test-asy-linux	0s
test-asy-windows	0s
package-asy-install-file	0s
precheck-pass	0s
	18m 41s

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