julia> s = "🛀🛀"
"🛀🛀"
julia> for i in 4:8
substr = s[1:i]
subbytes = convert(Vector{UInt8},substr)
@show "----- 1:$i -----" substr subbytes length(subbytes)
end
"----- 1:$(i) -----" = "----- 1:4 -----"
substr = "🛀"
subbytes = UInt8[0xf0,0x9f,0x9b,0x80]
length(subbytes) = 4
"----- 1:$(i) -----" = "----- 1:5 -----"
substr = "🛀🛀"
subbytes = UInt8[0xf0,0x9f,0x9b,0x80,0xf0,0x9f,0x9b,0x80]
length(subbytes) = 8
"----- 1:$(i) -----" = "----- 1:6 -----"
substr = "🛀?"
subbytes = UInt8[0xf0,0x9f,0x9b,0x80,0xf0,0x9f]
length(subbytes) = 6
"----- 1:$(i) -----" = "----- 1:7 -----"
substr = "🛀?"
subbytes = UInt8[0xf0,0x9f,0x9b,0x80,0xf0,0x9f,0x9b]
length(subbytes) = 7
"----- 1:$(i) -----" = "----- 1:8 -----"
substr = "🛀🛀"
subbytes = UInt8[0xf0,0x9f,0x9b,0x80,0xf0,0x9f,0x9b,0x80]
length(subbytes) = 8
julia> @show endof(s) sizeof(s);
endof(s) = 5
sizeof(s) = 8
I would've thought s[1:5] would give me [0xf0,0x9f,0x9b,0x80,0xf0] and an
invalid second char, much like s[1:6] and s[1:7].
Also why is endof(s) 5 and not 8?
