add special case for multiplication with ranges (#67)

* add special case for multiplication with ranges

* bump project to 0.7.1

* Bump version 0.7.2

---------

Co-authored-by: abhro <[email protected]>

Author: mileslucas

Project.toml

@@ -1,6 +1,6 @@
 name = "AstroTime"
 uuid = "c61b5328-d09d-5e37-a9a8-0eb41c39009c"
-version = "0.7.1"
+version = "0.7.2"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"

src/Periods.jl

@@ -153,6 +153,9 @@ Base.:*(dt::Number, unit::TimeUnit) = AstroPeriod(unit, dt)
 Base.:*(unit::TimeUnit, dt::Number) = AstroPeriod(unit, dt)
 Base.:*(A::TimeUnit, B::AbstractArray) = broadcast(*, A, B)
 Base.:*(A::AbstractArray, B::TimeUnit) = broadcast(*, A, B)
+# handle ranges in lazy fashion
+Base.:*(B::TimeUnit, R::AbstractRange) = first(R) * B:step(R) * B:last(R) * B
+Base.:*(R::AbstractRange, B::TimeUnit) = first(R) * B:step(R) * B:last(R) * B
 
 Base.:-(p::AstroPeriod) = AstroPeriod(unit(p), -p.second, -p.fraction, -p.error)
 

test/periods.jl

@@ -98,5 +98,9 @@
     @test string(1days) == "1.0 days"
     @test string(1years) == "1.0 years"
     @test string(1centuries) == "1.0 centuries"
+
+    # lazy ranges (#65)
+    @test (1:3) * seconds === seconds * (1:3)
+    @test (1:3) * seconds isa AbstractRange
 end